136135646352506 has 16 divisors (see below), whose sum is σ = 204260384058120. Its totient is φ = 68048854282560.

The previous prime is 136135646352467. The next prime is 136135646352509. The reversal of 136135646352506 is 605253646531631.

It can be written as a sum of positive squares in 4 ways, for example, as 70349904625225 + 65785741727281 = 8387485^2 + 8110841^2 .

It is not an unprimeable number, because it can be changed into a prime (136135646352509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104605676 + ... + 105899096.

Almost surely, 2^{136135646352506} is an apocalyptic number.

136135646352506 is a deficient number, since it is larger than the sum of its proper divisors (68124737705614).

136135646352506 is a wasteful number, since it uses less digits than its factorization.

136135646352506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308049.

The product of its (nonzero) digits is 34992000, while the sum is 56.

The spelling of 136135646352506 in words is "one hundred thirty-six trillion, one hundred thirty-five billion, six hundred forty-six million, three hundred fifty-two thousand, five hundred six".