13264244136 has 96 divisors (see below), whose sum is σ = 42204445920. Its totient is φ = 3710275200.

The previous prime is 13264244129. The next prime is 13264244137. The reversal of 13264244136 is 63144246231.

13264244136 is a `hidden beast` number, since 1 + 3 + 2 + 642 + 4 + 4 + 1 + 3 + 6 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 13264244136.

It is not an unprimeable number, because it can be changed into a prime (13264244137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 633850 + ... + 654441.

It is an arithmetic number, because the mean of its divisors is an integer number (439629645).

Almost surely, 2^13264244136 is an apocalyptic number.

It is an amenable number.

13264244136 is an abundant number, since it is smaller than the sum of its proper divisors (28940201784).

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

13264244136 is a wasteful number, since it uses less digits than its factorization.

13264244136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288327 (or 1288320 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The spelling of 13264244136 in words is "thirteen billion, two hundred sixty-four million, two hundred forty-four thousand, one hundred thirty-six".