136317593 has 2 divisors, whose sum is σ = 136317594. Its totient is φ = 136317592.

The previous prime is 136317569. The next prime is 136317613. The reversal of 136317593 is 395713631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114340249 + 21977344 = 10693^2 + 4688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136317593 is a prime.

It is a super-2 number, since 2×136317593² = 37164972322627298, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136317523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68158796 + 68158797.

It is an arithmetic number, because the mean of its divisors is an integer number (68158797).

Almost surely, 2^136317593 is an apocalyptic number.

It is an amenable number.

136317593 is a deficient number, since it is larger than the sum of its proper divisors (1).

136317593 is an equidigital number, since it uses as much as digits as its factorization.

136317593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51030, while the sum is 38.

The square root of 136317593 is about 11675.5125369296. The cubic root of 136317593 is about 514.6563113612.

The spelling of 136317593 in words is "one hundred thirty-six million, three hundred seventeen thousand, five hundred ninety-three".