138365575756 has 12 divisors (see below), whose sum is σ = 254883955480. Its totient is φ = 65541588480.

The previous prime is 138365575727. The next prime is 138365575757. The reversal of 138365575756 is 657575563831.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 138365575694 and 138365575703.

It is not an unprimeable number, because it can be changed into a prime (138365575757) 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, 910299765 + ... + 910299916.

Almost surely, 2^138365575756 is an apocalyptic number.

It is an amenable number.

138365575756 is a deficient number, since it is larger than the sum of its proper divisors (116518379724).

138365575756 is a wasteful number, since it uses less digits than its factorization.

138365575756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820599704 (or 1820599702 counting only the distinct ones).

The product of its digits is 79380000, while the sum is 61.

The spelling of 138365575756 in words is "one hundred thirty-eight billion, three hundred sixty-five million, five hundred seventy-five thousand, seven hundred fifty-six".