138000568790 has 32 divisors (see below), whose sum is σ = 296229795840. Its totient is φ = 45257328864.

The previous prime is 138000568703. The next prime is 138000568819. The reversal of 138000568790 is 97865000831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42855710 + ... + 42858929.

It is an arithmetic number, because the mean of its divisors is an integer number (9257181120).

Almost surely, 2^138000568790 is an apocalyptic number.

138000568790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138000568790 is an abundant number, since it is smaller than the sum of its proper divisors (158229227050).

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

138000568790 is a wasteful number, since it uses less digits than its factorization.

138000568790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85714676.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 138000568790 in words is "one hundred thirty-eight billion, five hundred sixty-eight thousand, seven hundred ninety".