138876251375 has 16 divisors (see below), whose sum is σ = 174851363232. Its totient is φ = 110117795200.

The previous prime is 138876251347. The next prime is 138876251417. The reversal of 138876251375 is 573152678831.

It is a de Polignac number, because none of the positive numbers 2^k-138876251375 is a prime.

It is a super-2 number, since 2×138876251375² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138876251375.

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, 4901849 + ... + 4930098.

It is an arithmetic number, because the mean of its divisors is an integer number (10928210202).

Almost surely, 2^138876251375 is an apocalyptic number.

138876251375 is a deficient number, since it is larger than the sum of its proper divisors (35975111857).

138876251375 is an equidigital number, since it uses as much as digits as its factorization.

138876251375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9832075 (or 9832065 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 56.

The spelling of 138876251375 in words is "one hundred thirty-eight billion, eight hundred seventy-six million, two hundred fifty-one thousand, three hundred seventy-five".