13185414836 has 24 divisors (see below), whose sum is σ = 25647106464. Its totient is φ = 5880286880.

The previous prime is 13185414821. The next prime is 13185414859. The reversal of 13185414836 is 63841458131.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2824730 + ... + 2829393.

It is an arithmetic number, because the mean of its divisors is an integer number (1068629436).

Almost surely, 2^13185414836 is an apocalyptic number.

It is an amenable number.

13185414836 is a deficient number, since it is larger than the sum of its proper divisors (12461691628).

13185414836 is a wasteful number, since it uses less digits than its factorization.

13185414836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5654191 (or 5654189 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The spelling of 13185414836 in words is "thirteen billion, one hundred eighty-five million, four hundred fourteen thousand, eight hundred thirty-six".