138455902014 has 64 divisors (see below), whose sum is σ = 287483454720. Its totient is φ = 44426108160.

The previous prime is 138455901973. The next prime is 138455902033. The reversal of 138455902014 is 410209554831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4899004 + ... + 4927184.

It is an arithmetic number, because the mean of its divisors is an integer number (4491928980).

Almost surely, 2^138455902014 is an apocalyptic number.

138455902014 is an abundant number, since it is smaller than the sum of its proper divisors (149027552706).

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

138455902014 is a wasteful number, since it uses less digits than its factorization.

138455902014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28505.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 138455902014 in words is "one hundred thirty-eight billion, four hundred fifty-five million, nine hundred two thousand, fourteen".