136085317 has 2 divisors, whose sum is σ = 136085318. Its totient is φ = 136085316.

The previous prime is 136085269. The next prime is 136085333. The reversal of 136085317 is 713580631.

136085317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109809441 + 26275876 = 10479^2 + 5126^2 .

It is a cyclic number.

It is not a de Polignac number, because 136085317 - 2⁷ = 136085189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136085347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68042658 + 68042659.

It is an arithmetic number, because the mean of its divisors is an integer number (68042659).

Almost surely, 2^136085317 is an apocalyptic number.

It is an amenable number.

136085317 is a deficient number, since it is larger than the sum of its proper divisors (1).

136085317 is an equidigital number, since it uses as much as digits as its factorization.

136085317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 136085317 is about 11665.5611523835. The cubic root of 136085317 is about 514.3638319425.

The spelling of 136085317 in words is "one hundred thirty-six million, eighty-five thousand, three hundred seventeen".