138080860864 has 28 divisors (see below), whose sum is σ = 274128305184. Its totient is φ = 69009161984.

The previous prime is 138080860829. The next prime is 138080860867. The reversal of 138080860864 is 468068080831.

It is not an unprimeable number, because it can be changed into a prime (138080860867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345832 + ... + 629095.

Almost surely, 2^138080860864 is an apocalyptic number.

It is an amenable number.

138080860864 is a deficient number, since it is larger than the sum of its proper divisors (136047444320).

138080860864 is an equidigital number, since it uses as much as digits as its factorization.

138080860864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977152 (or 977142 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 52.

The spelling of 138080860864 in words is "one hundred thirty-eight billion, eighty million, eight hundred sixty thousand, eight hundred sixty-four".