136214464657 has 2 divisors, whose sum is σ = 136214464658. Its totient is φ = 136214464656.

The previous prime is 136214464579. The next prime is 136214464663. The reversal of 136214464657 is 756464412631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132746550336 + 3467914321 = 364344^2 + 58889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136214464657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136214464657.

It is not a weakly prime, because it can be changed into another prime (136214464357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68107232328 + 68107232329.

It is an arithmetic number, because the mean of its divisors is an integer number (68107232329).

Almost surely, 2^136214464657 is an apocalyptic number.

It is an amenable number.

136214464657 is a deficient number, since it is larger than the sum of its proper divisors (1).

136214464657 is an equidigital number, since it uses as much as digits as its factorization.

136214464657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 49.

The spelling of 136214464657 in words is "one hundred thirty-six billion, two hundred fourteen million, four hundred sixty-four thousand, six hundred fifty-seven".