13839995354256 has 80 divisors (see below), whose sum is σ = 40216356057920. Its totient is φ = 4613331773088.

The previous prime is 13839995354221. The next prime is 13839995354279. The reversal of 13839995354256 is 65245359993831.

13839995354256 is a `hidden beast` number, since 1 + 3 + 8 + 39 + 9 + 9 + 535 + 4 + 2 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197724430 + ... + 197794413.

It is an arithmetic number, because the mean of its divisors is an integer number (502704450724).

Almost surely, 2^{13839995354256} is an apocalyptic number.

13839995354256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13839995354256 is an abundant number, since it is smaller than the sum of its proper divisors (26376360703664).

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

13839995354256 is an frugal number, since it uses more digits than its factorization.

13839995354256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395518872 (or 395518848 counting only the distinct ones).

The product of its digits is 944784000, while the sum is 72.

The spelling of 13839995354256 in words is "thirteen trillion, eight hundred thirty-nine billion, nine hundred ninety-five million, three hundred fifty-four thousand, two hundred fifty-six".