135122323665 has 32 divisors (see below), whose sum is σ = 251742733056. Its totient is φ = 60604727040.

The previous prime is 135122323657. The next prime is 135122323723. The reversal of 135122323665 is 566323221531.

It is not a de Polignac number, because 135122323665 - 2³ = 135122323657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12134806 + ... + 12145935.

It is an arithmetic number, because the mean of its divisors is an integer number (7866960408).

Almost surely, 2^135122323665 is an apocalyptic number.

135122323665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135122323665 is a deficient number, since it is larger than the sum of its proper divisors (116620409391).

135122323665 is a wasteful number, since it uses less digits than its factorization.

135122323665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24280809.

The product of its digits is 194400, while the sum is 39.

The spelling of 135122323665 in words is "one hundred thirty-five billion, one hundred twenty-two million, three hundred twenty-three thousand, six hundred sixty-five".