138997528116 has 12 divisors (see below), whose sum is σ = 324327565632. Its totient is φ = 46332509368.

The previous prime is 138997528097. The next prime is 138997528129. The reversal of 138997528116 is 611825799831.

138997528116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 138997528116.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5791563660 + ... + 5791563683.

It is an arithmetic number, because the mean of its divisors is an integer number (27027297136).

Almost surely, 2^138997528116 is an apocalyptic number.

It is an amenable number.

138997528116 is an abundant number, since it is smaller than the sum of its proper divisors (185330037516).

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

138997528116 is a wasteful number, since it uses less digits than its factorization.

138997528116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11583127350 (or 11583127348 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 60.

The spelling of 138997528116 in words is "one hundred thirty-eight billion, nine hundred ninety-seven million, five hundred twenty-eight thousand, one hundred sixteen".