13403618136 has 48 divisors (see below), whose sum is σ = 36396322560. Its totient is φ = 4456198080.

The previous prime is 13403618131. The next prime is 13403618167. The reversal of 13403618136 is 63181630431.

13403618136 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 3 + 618 + 1 + 36 = 666.

It is a super-2 number, since 2×13403618136² (a number of 21 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13403618136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403618131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215455 + ... + 270606.

It is an arithmetic number, because the mean of its divisors is an integer number (758256720).

Almost surely, 2^13403618136 is an apocalyptic number.

It is an amenable number.

13403618136 is an abundant number, since it is smaller than the sum of its proper divisors (22992704424).

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

13403618136 is a wasteful number, since it uses less digits than its factorization.

13403618136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486456 (or 486449 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 13403618136 in words is "thirteen billion, four hundred three million, six hundred eighteen thousand, one hundred thirty-six".