13913259720 has 64 divisors (see below), whose sum is σ = 41804925120. Its totient is φ = 3704411904.

The previous prime is 13913259683. The next prime is 13913259721. The reversal of 13913259720 is 2795231931.

It is not an unprimeable number, because it can be changed into a prime (13913259721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12999 + ... + 167318.

It is an arithmetic number, because the mean of its divisors is an integer number (653201955).

Almost surely, 2^13913259720 is an apocalyptic number.

13913259720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13913259720 is an abundant number, since it is smaller than the sum of its proper divisors (27891665400).

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

13913259720 is a wasteful number, since it uses less digits than its factorization.

13913259720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180974 (or 180970 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 42.

The spelling of 13913259720 in words is "thirteen billion, nine hundred thirteen million, two hundred fifty-nine thousand, seven hundred twenty".