13615606136 has 96 divisors (see below), whose sum is σ = 29750215680. Its totient is φ = 5792294400.

The previous prime is 13615606133. The next prime is 13615606141. The reversal of 13615606136 is 63160651631.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13615606136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13615606133) 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, 4856111 + ... + 4858913.

It is an arithmetic number, because the mean of its divisors is an integer number (309898080).

Almost surely, 2^13615606136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13615606136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14875107840).

13615606136 is an abundant number, since it is smaller than the sum of its proper divisors (16134609544).

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

13615606136 is a wasteful number, since it uses less digits than its factorization.

13615606136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045 (or 3024 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 13615606136 in words is "thirteen billion, six hundred fifteen million, six hundred six thousand, one hundred thirty-six".