13808115936 has 72 divisors (see below), whose sum is σ = 41333521320. Its totient is φ = 4360455936.

The previous prime is 13808115901. The next prime is 13808115953. The reversal of 13808115936 is 63951180831.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 13808115891 and 13808115900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1256235 + ... + 1267178.

It is an arithmetic number, because the mean of its divisors is an integer number (574076685).

Almost surely, 2^13808115936 is an apocalyptic number.

13808115936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13808115936 is an abundant number, since it is smaller than the sum of its proper divisors (27525405384).

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

13808115936 is a wasteful number, since it uses less digits than its factorization.

13808115936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523448 (or 2523437 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 13808115936 in words is "thirteen billion, eight hundred eight million, one hundred fifteen thousand, nine hundred thirty-six".