138901803276 has 48 divisors (see below), whose sum is σ = 325115352576. Its totient is φ = 46156254144.

The previous prime is 138901803233. The next prime is 138901803277. The reversal of 138901803276 is 672308109831.

It is not an unprimeable number, because it can be changed into a prime (138901803277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15660595 + ... + 15669461.

It is an arithmetic number, because the mean of its divisors is an integer number (6773236512).

Almost surely, 2^138901803276 is an apocalyptic number.

It is an amenable number.

138901803276 is an abundant number, since it is smaller than the sum of its proper divisors (186213549300).

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

138901803276 is a wasteful number, since it uses less digits than its factorization.

138901803276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12798 (or 12796 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 138901803276 in words is "one hundred thirty-eight billion, nine hundred one million, eight hundred three thousand, two hundred seventy-six".