136457117 has 2 divisors, whose sum is σ = 136457118. Its totient is φ = 136457116.

The previous prime is 136457077. The next prime is 136457129. The reversal of 136457117 is 711754631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112063396 + 24393721 = 10586^2 + 4939^2 .

It is a cyclic number.

It is not a de Polignac number, because 136457117 - 2⁶ = 136457053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136457197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68228558 + 68228559.

It is an arithmetic number, because the mean of its divisors is an integer number (68228559).

Almost surely, 2^136457117 is an apocalyptic number.

It is an amenable number.

136457117 is a deficient number, since it is larger than the sum of its proper divisors (1).

136457117 is an equidigital number, since it uses as much as digits as its factorization.

136457117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 35.

The square root of 136457117 is about 11681.4860784063. The cubic root of 136457117 is about 514.8318387720.

The spelling of 136457117 in words is "one hundred thirty-six million, four hundred fifty-seven thousand, one hundred seventeen".