13939620192 has 36 divisors (see below), whose sum is σ = 39640795740. Its totient is φ = 4646539968.

The previous prime is 13939620187. The next prime is 13939620193. The reversal of 13939620192 is 29102693931.

13939620192 is a `hidden beast` number, since 1 + 3 + 9 + 3 + 9 + 620 + 19 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×13939620192² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13939620193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24200442 + ... + 24201017.

It is an arithmetic number, because the mean of its divisors is an integer number (1101133215).

Almost surely, 2^13939620192 is an apocalyptic number.

13939620192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13939620192 is an abundant number, since it is smaller than the sum of its proper divisors (25701175548).

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

13939620192 is a wasteful number, since it uses less digits than its factorization.

13939620192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48401475 (or 48401464 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 13939620192 in words is "thirteen billion, nine hundred thirty-nine million, six hundred twenty thousand, one hundred ninety-two".