13920704532 has 72 divisors (see below), whose sum is σ = 40395869696. Its totient is φ = 3959492544.

The previous prime is 13920704519. The next prime is 13920704549. The reversal of 13920704532 is 23540702931.

13920704532 is a `hidden beast` number, since 1 + 39 + 20 + 70 + 4 + 532 = 666.

13920704532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67663 + ... + 180054.

Almost surely, 2^13920704532 is an apocalyptic number.

13920704532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13920704532 is an abundant number, since it is smaller than the sum of its proper divisors (26475165164).

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

13920704532 is a wasteful number, since it uses less digits than its factorization.

13920704532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247957 (or 247952 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 13920704532 in words is "thirteen billion, nine hundred twenty million, seven hundred four thousand, five hundred thirty-two".