13136511705 has 16 divisors (see below), whose sum is σ = 21020409024. Its totient is φ = 7005476160.

The previous prime is 13136511701. The next prime is 13136511737. The reversal of 13136511705 is 50711563131.

It is not a de Polignac number, because 13136511705 - 2² = 13136511701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13136511701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151062 + ... + 221568.

It is an arithmetic number, because the mean of its divisors is an integer number (1313775564).

Almost surely, 2^13136511705 is an apocalyptic number.

13136511705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13136511705 is a deficient number, since it is larger than the sum of its proper divisors (7883897319).

13136511705 is a wasteful number, since it uses less digits than its factorization.

13136511705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82936.

The product of its (nonzero) digits is 9450, while the sum is 33.

The spelling of 13136511705 in words is "thirteen billion, one hundred thirty-six million, five hundred eleven thousand, seven hundred five".