13555016136 has 24 divisors (see below), whose sum is σ = 36711502230. Its totient is φ = 4518338688.

The previous prime is 13555016107. The next prime is 13555016143. The reversal of 13555016136 is 63161055531.

13555016136 is a `hidden beast` number, since 1 + 35 + 5 + 5 + 0 + 1 + 613 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13547563236 + 7452900 = 116394^2 + 2730^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 13555016136.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94131985 + ... + 94132128.

Almost surely, 2^13555016136 is an apocalyptic number.

It is an amenable number.

13555016136 is an abundant number, since it is smaller than the sum of its proper divisors (23156486094).

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

13555016136 is a wasteful number, since it uses less digits than its factorization.

13555016136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188264125 (or 188264118 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 13555016136 in words is "thirteen billion, five hundred fifty-five million, sixteen thousand, one hundred thirty-six".