136747606680665 has 16 divisors (see below), whose sum is σ = 166887244166400. Its totient is φ = 107538203665152.

The previous prime is 136747606680623. The next prime is 136747606680677. The reversal of 136747606680665 is 566086606747631.

It is a cyclic number.

It is not a de Polignac number, because 136747606680665 - 2¹⁶ = 136747606615129 is a prime.

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, 6632192 + ... + 17818001.

It is an arithmetic number, because the mean of its divisors is an integer number (10430452760400).

Almost surely, 2^{136747606680665} is an apocalyptic number.

It is an amenable number.

136747606680665 is a deficient number, since it is larger than the sum of its proper divisors (30139637485735).

136747606680665 is a wasteful number, since it uses less digits than its factorization.

136747606680665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24469216.

The product of its (nonzero) digits is 1097349120, while the sum is 71.

The spelling of 136747606680665 in words is "one hundred thirty-six trillion, seven hundred forty-seven billion, six hundred six million, six hundred eighty thousand, six hundred sixty-five".