13536613620 has 96 divisors (see below), whose sum is σ = 43566163200. Its totient is φ = 3485284992.

The previous prime is 13536613583. The next prime is 13536613627. The reversal of 13536613620 is 2631663531.

13536613620 is a `hidden beast` number, since 1 + 3 + 5 + 36 + 613 + 6 + 2 + 0 = 666.

13536613620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13536613627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416544 + ... + 447863.

It is an arithmetic number, because the mean of its divisors is an integer number (453814200).

Almost surely, 2^13536613620 is an apocalyptic number.

13536613620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13536613620 is an abundant number, since it is smaller than the sum of its proper divisors (30029549580).

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

13536613620 is a wasteful number, since it uses less digits than its factorization.

13536613620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864454 (or 864446 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 13536613620 in words is "thirteen billion, five hundred thirty-six million, six hundred thirteen thousand, six hundred twenty".