136264560412565 has 32 divisors (see below), whose sum is σ = 178998412639200. Its totient is φ = 98967758929920.

The previous prime is 136264560412507. The next prime is 136264560412567. The reversal of 136264560412565 is 565214065462631.

It can be written as a sum of positive squares in 16 ways, for example, as 54899415823396 + 81365144589169 = 7409414^2 + 9020263^2 .

It is not a de Polignac number, because 136264560412565 - 2⁴⁰ = 135165048784789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136264560412565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136264560412567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43402721 + ... + 46436249.

It is an arithmetic number, because the mean of its divisors is an integer number (5593700394975).

Almost surely, 2^{136264560412565} is an apocalyptic number.

It is an amenable number.

136264560412565 is a deficient number, since it is larger than the sum of its proper divisors (42733852226635).

136264560412565 is a wasteful number, since it uses less digits than its factorization.

136264560412565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044937.

The product of its (nonzero) digits is 31104000, while the sum is 56.

The spelling of 136264560412565 in words is "one hundred thirty-six trillion, two hundred sixty-four billion, five hundred sixty million, four hundred twelve thousand, five hundred sixty-five".