138775059424 has 24 divisors (see below), whose sum is σ = 287593052040. Its totient is φ = 65735554176.

The previous prime is 138775059421. The next prime is 138775059431. The reversal of 138775059424 is 424950577831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138775059421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114123619 + ... + 114124834.

It is an arithmetic number, because the mean of its divisors is an integer number (11983043835).

Almost surely, 2^138775059424 is an apocalyptic number.

It is an amenable number.

138775059424 is an abundant number, since it is smaller than the sum of its proper divisors (148817992616).

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

138775059424 is a wasteful number, since it uses less digits than its factorization.

138775059424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228248482 (or 228248474 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 138775059424 in words is "one hundred thirty-eight billion, seven hundred seventy-five million, fifty-nine thousand, four hundred twenty-four".