138700935168 has 52 divisors (see below), whose sum is σ = 369824043168. Its totient is φ = 46233640960.

The previous prime is 138700935133. The next prime is 138700935187. The reversal of 138700935168 is 861539007831.

138700935168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 138700935168.

It is a congruent number.

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, 5631468 + ... + 5656043.

Almost surely, 2^138700935168 is an apocalyptic number.

It is an amenable number.

138700935168 is an abundant number, since it is smaller than the sum of its proper divisors (231123108000).

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

138700935168 is an equidigital number, since it uses as much as digits as its factorization.

138700935168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11287538 (or 11287516 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 138700935168 in words is "one hundred thirty-eight billion, seven hundred million, nine hundred thirty-five thousand, one hundred sixty-eight".