138516592 has 20 divisors (see below), whose sum is σ = 268576560. Its totient is φ = 69206528.

The previous prime is 138516589. The next prime is 138516611. The reversal of 138516592 is 295615831.

138516592 is a Rhonda number in base 10.

Its product of digits (64800) is a multiple of the sum of its prime factors (6480).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27933 + ... + 32515.

It is an arithmetic number, because the mean of its divisors is an integer number (13428828).

Almost surely, 2^138516592 is an apocalyptic number.

It is an amenable number.

138516592 is a deficient number, since it is larger than the sum of its proper divisors (130059968).

138516592 is a wasteful number, since it uses less digits than its factorization.

138516592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6480 (or 6474 counting only the distinct ones).

The product of its digits is 64800, while the sum is 40.

The square root of 138516592 is about 11769.3072013607. The cubic root of 138516592 is about 517.4089450601.

The spelling of 138516592 in words is "one hundred thirty-eight million, five hundred sixteen thousand, five hundred ninety-two".