136408114657 has 2 divisors, whose sum is σ = 136408114658. Its totient is φ = 136408114656.

The previous prime is 136408114643. The next prime is 136408114669. The reversal of 136408114657 is 756411804631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135417376081 + 990738576 = 367991^2 + 31476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136408114657 is a prime.

It is not a weakly prime, because it can be changed into another prime (136408114627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68204057328 + 68204057329.

It is an arithmetic number, because the mean of its divisors is an integer number (68204057329).

Almost surely, 2^136408114657 is an apocalyptic number.

It is an amenable number.

136408114657 is a deficient number, since it is larger than the sum of its proper divisors (1).

136408114657 is an equidigital number, since it uses as much as digits as its factorization.

136408114657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 136408114657 in words is "one hundred thirty-six billion, four hundred eight million, one hundred fourteen thousand, six hundred fifty-seven".