13315625136 has 120 divisors (see below), whose sum is σ = 41225932800. Its totient is φ = 3978172800.

The previous prime is 13315625117. The next prime is 13315625153. The reversal of 13315625136 is 63152651331.

13315625136 is a `hidden beast` number, since 1 + 3 + 3 + 15 + 625 + 13 + 6 = 666.

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 13315625136.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53265 + ... + 171663.

It is an arithmetic number, because the mean of its divisors is an integer number (343549440).

Almost surely, 2^13315625136 is an apocalyptic number.

13315625136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13315625136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20612966400).

13315625136 is an abundant number, since it is smaller than the sum of its proper divisors (27910307664).

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

13315625136 is a wasteful number, since it uses less digits than its factorization.

13315625136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118495 (or 118486 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The spelling of 13315625136 in words is "thirteen billion, three hundred fifteen million, six hundred twenty-five thousand, one hundred thirty-six".