138363152136 has 64 divisors (see below), whose sum is σ = 384473977920. Its totient is φ = 41137125120.

The previous prime is 138363152111. The next prime is 138363152177. The reversal of 138363152136 is 631251363831.

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, 4930375 + ... + 4958358.

It is an arithmetic number, because the mean of its divisors is an integer number (6007405905).

Almost surely, 2^138363152136 is an apocalyptic number.

It is an amenable number.

138363152136 is an abundant number, since it is smaller than the sum of its proper divisors (246110825784).

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

138363152136 is a wasteful number, since it uses less digits than its factorization.

138363152136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9888806 (or 9888802 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The spelling of 138363152136 in words is "one hundred thirty-eight billion, three hundred sixty-three million, one hundred fifty-two thousand, one hundred thirty-six".