138300668124 has 48 divisors (see below), whose sum is σ = 333936624000. Its totient is φ = 44496236736.

The previous prime is 138300668117. The next prime is 138300668137. The reversal of 138300668124 is 421866003831.

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, 1046727 + ... + 1171425.

It is an arithmetic number, because the mean of its divisors is an integer number (6957013000).

Almost surely, 2^138300668124 is an apocalyptic number.

It is an amenable number.

138300668124 is an abundant number, since it is smaller than the sum of its proper divisors (195635955876).

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

138300668124 is a wasteful number, since it uses less digits than its factorization.

138300668124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127922 (or 127920 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 138300668124 in words is "one hundred thirty-eight billion, three hundred million, six hundred sixty-eight thousand, one hundred twenty-four".