138828165431344 has 20 divisors (see below), whose sum is σ = 284801898201624. Its totient is φ = 65330901379328.

The previous prime is 138828165431261. The next prime is 138828165431413. The reversal of 138828165431344 is 443134561828831.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255198833242 + ... + 255198833785.

Almost surely, 2^{138828165431344} is an apocalyptic number.

It is an amenable number.

138828165431344 is an abundant number, since it is smaller than the sum of its proper divisors (145973732770280).

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

138828165431344 is a wasteful number, since it uses less digits than its factorization.

138828165431344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510397667052 (or 510397667046 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 61.

The spelling of 138828165431344 in words is "one hundred thirty-eight trillion, eight hundred twenty-eight billion, one hundred sixty-five million, four hundred thirty-one thousand, three hundred forty-four".