136865841365 has 128 divisors (see below), whose sum is σ = 210049044480. Its totient is φ = 84213043200.

The previous prime is 136865841253. The next prime is 136865841383. The reversal of 136865841365 is 563148568631.

It is not a de Polignac number, because 136865841365 - 2⁸ = 136865841109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136865841365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 53524667 + ... + 53527223.

It is an arithmetic number, because the mean of its divisors is an integer number (1641008160).

Almost surely, 2^136865841365 is an apocalyptic number.

It is an amenable number.

136865841365 is a deficient number, since it is larger than the sum of its proper divisors (73183203115).

136865841365 is a wasteful number, since it uses less digits than its factorization.

136865841365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763.

The product of its digits is 12441600, while the sum is 56.

The spelling of 136865841365 in words is "one hundred thirty-six billion, eight hundred sixty-five million, eight hundred forty-one thousand, three hundred sixty-five".