138876375012 has 48 divisors (see below), whose sum is σ = 327744910080. Its totient is φ = 45763736832.

The previous prime is 138876375007. The next prime is 138876375037. The reversal of 138876375012 is 210573678831.

138876375012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9612258 + ... + 9626694.

It is an arithmetic number, because the mean of its divisors is an integer number (6828018960).

Almost surely, 2^138876375012 is an apocalyptic number.

138876375012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

138876375012 is an abundant number, since it is smaller than the sum of its proper divisors (188868535068).

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

138876375012 is a wasteful number, since it uses less digits than its factorization.

138876375012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23540 (or 23538 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 138876375012 in words is "one hundred thirty-eight billion, eight hundred seventy-six million, three hundred seventy-five thousand, twelve".