13501397268 has 36 divisors (see below), whose sum is σ = 34134592128. Its totient is φ = 4499666640.

The previous prime is 13501397257. The next prime is 13501397303. The reversal of 13501397268 is 86279310531.

13501397268 is a `hidden beast` number, since 1 + 350 + 1 + 39 + 7 + 268 = 666.

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

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, 193405 + ... + 253787.

Almost surely, 2^13501397268 is an apocalyptic number.

13501397268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13501397268 is an abundant number, since it is smaller than the sum of its proper divisors (20633194860).

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

13501397268 is a wasteful number, since it uses less digits than its factorization.

13501397268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66604 (or 66599 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 13501397268 in words is "thirteen billion, five hundred one million, three hundred ninety-seven thousand, two hundred sixty-eight".