138000917588 has 12 divisors (see below), whose sum is σ = 241512804960. Its totient is φ = 68997259032.

The previous prime is 138000917581. The next prime is 138000917597. The reversal of 138000917588 is 885719000831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138000917581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701558 + ... + 876461.

It is an arithmetic number, because the mean of its divisors is an integer number (20126067080).

Almost surely, 2^138000917588 is an apocalyptic number.

It is an amenable number.

138000917588 is a deficient number, since it is larger than the sum of its proper divisors (103511887372).

138000917588 is a wasteful number, since it uses less digits than its factorization.

138000917588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599886 (or 1599884 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 138000917588 in words is "one hundred thirty-eight billion, nine hundred seventeen thousand, five hundred eighty-eight".