136456364308939 has 2 divisors, whose sum is σ = 136456364308940. Its totient is φ = 136456364308938.

The previous prime is 136456364308879. The next prime is 136456364309029. The reversal of 136456364308939 is 939803463654631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136456364308939 - 2²³ = 136456355920331 is a prime.

It is not a weakly prime, because it can be changed into another prime (136456364300939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68228182154469 + 68228182154470.

It is an arithmetic number, because the mean of its divisors is an integer number (68228182154470).

Almost surely, 2^{136456364308939} is an apocalyptic number.

136456364308939 is a deficient number, since it is larger than the sum of its proper divisors (1).

136456364308939 is an equidigital number, since it uses as much as digits as its factorization.

136456364308939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 906992640, while the sum is 70.

The spelling of 136456364308939 in words is "one hundred thirty-six trillion, four hundred fifty-six billion, three hundred sixty-four million, three hundred eight thousand, nine hundred thirty-nine".