The Pulpit Commentary - Job 42:17
So Job died, being old and full of days . The lowest estimate places the occurrence of the afflictions of Job at the time when he was a little more than fifty (" Supponitur quinquagenario hand multo majorem fuisse Nostrum, quum conflictari coepit ," Schultens). Thus his age at his death would be at least a hundred and ninety, read more
The Pulpit Commentary - Job 42:16
After this lived Job an hundred and forty years . It has been concluded from this statement, combined with that at the close of verse 10, that Job was exactly seventy years of age when his calamities fell upon him; but this is really only a conjecture, since the statement that "God added to all that had been Job's to the double," does not naturally apply to anything but his property. We may, however, fairly allow that (as Professor Lee says) he "could scarcely have been less than seventy"... read more