138796596 has 72 divisors (see below), whose sum is σ = 372372000. Its totient is φ = 43467840.

The previous prime is 138796591. The next prime is 138796613. The reversal of 138796596 is 695697831.

It is a super-2 number, since 2×138796596² = 38528990122374432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138796591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88830 + ... + 90378.

Almost surely, 2^138796596 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138796596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186186000).

138796596 is an abundant number, since it is smaller than the sum of its proper divisors (233575404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138796596 is a wasteful number, since it uses less digits than its factorization.

138796596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709 (or 1704 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 138796596 is about 11781.1967134073. The cubic root of 138796596 is about 517.7573487218.

The spelling of 138796596 in words is "one hundred thirty-eight million, seven hundred ninety-six thousand, five hundred ninety-six".