13939282320 has 160 divisors (see below), whose sum is σ = 45006762240. Its totient is φ = 3565578240.

The previous prime is 13939282309. The next prime is 13939282327. The reversal of 13939282320 is 2328293931.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13939282327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 619426 + ... + 641534.

It is an arithmetic number, because the mean of its divisors is an integer number (281292264).

Almost surely, 2^13939282320 is an apocalyptic number.

13939282320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13939282320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22503381120).

13939282320 is an abundant number, since it is smaller than the sum of its proper divisors (31067479920).

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

13939282320 is a wasteful number, since it uses less digits than its factorization.

13939282320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22233 (or 22227 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 13939282320 in words is "thirteen billion, nine hundred thirty-nine million, two hundred eighty-two thousand, three hundred twenty".