13635264156 has 24 divisors (see below), whose sum is σ = 33198904704. Its totient is φ = 4347475440.

The previous prime is 13635264127. The next prime is 13635264157. The reversal of 13635264156 is 65146253631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13635264157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24701290 + ... + 24701841.

It is an arithmetic number, because the mean of its divisors is an integer number (1383287696).

Almost surely, 2^13635264156 is an apocalyptic number.

It is an amenable number.

13635264156 is an abundant number, since it is smaller than the sum of its proper divisors (19563640548).

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

13635264156 is a wasteful number, since it uses less digits than its factorization.

13635264156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49403161 (or 49403159 counting only the distinct ones).

The product of its digits is 388800, while the sum is 42.

The spelling of 13635264156 in words is "thirteen billion, six hundred thirty-five million, two hundred sixty-four thousand, one hundred fifty-six".