136323617 has 2 divisors, whose sum is σ = 136323618. Its totient is φ = 136323616.

The previous prime is 136323601. The next prime is 136323619. The reversal of 136323617 is 716323631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79637776 + 56685841 = 8924^2 + 7529^2 .

It is a cyclic number.

It is not a de Polignac number, because 136323617 - 2⁴ = 136323601 is a prime.

Together with 136323619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136323619) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68161808 + 68161809.

It is an arithmetic number, because the mean of its divisors is an integer number (68161809).

Almost surely, 2^136323617 is an apocalyptic number.

It is an amenable number.

136323617 is a deficient number, since it is larger than the sum of its proper divisors (1).

136323617 is an equidigital number, since it uses as much as digits as its factorization.

136323617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 32.

The square root of 136323617 is about 11675.7705099064. The cubic root of 136323617 is about 514.6638922950.

The spelling of 136323617 in words is "one hundred thirty-six million, three hundred twenty-three thousand, six hundred seventeen".