136365022973 has 4 divisors (see below), whose sum is σ = 136386949308. Its totient is φ = 136343096640.

The previous prime is 136365022967. The next prime is 136365022993. The reversal of 136365022973 is 379220563631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55118361529 + 81246661444 = 234773^2 + 285038^2 .

It is a cyclic number.

It is not a de Polignac number, because 136365022973 - 2⁶ = 136365022909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136365022993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10953836 + ... + 10966277.

It is an arithmetic number, because the mean of its divisors is an integer number (34096737327).

Almost surely, 2^136365022973 is an apocalyptic number.

It is an amenable number.

136365022973 is a deficient number, since it is larger than the sum of its proper divisors (21926335).

136365022973 is an equidigital number, since it uses as much as digits as its factorization.

136365022973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21926334.

The product of its (nonzero) digits is 1224720, while the sum is 47.

The spelling of 136365022973 in words is "one hundred thirty-six billion, three hundred sixty-five million, twenty-two thousand, nine hundred seventy-three".