136341931865 has 16 divisors (see below), whose sum is σ = 163961366400. Its totient is φ = 108839736192.

The previous prime is 136341931853. The next prime is 136341931889. The reversal of 136341931865 is 568139143631.

It is a cyclic number.

It is not a de Polignac number, because 136341931865 - 2⁶ = 136341931801 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5311181 + ... + 5336789.

It is an arithmetic number, because the mean of its divisors is an integer number (10247585400).

Almost surely, 2^136341931865 is an apocalyptic number.

It is an amenable number.

136341931865 is a deficient number, since it is larger than the sum of its proper divisors (27619434535).

136341931865 is a wasteful number, since it uses less digits than its factorization.

136341931865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27856.

The product of its digits is 1399680, while the sum is 50.

The spelling of 136341931865 in words is "one hundred thirty-six billion, three hundred forty-one million, nine hundred thirty-one thousand, eight hundred sixty-five".