136692331 has 2 divisors, whose sum is σ = 136692332. Its totient is φ = 136692330.

The previous prime is 136692329. The next prime is 136692373. The reversal of 136692331 is 133296631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136692331 - 2¹ = 136692329 is a prime.

It is a super-2 number, since 2×136692331² = 37369586708427122, which contains 22 as substring.

Together with 136692329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (136690331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68346165 + 68346166.

It is an arithmetic number, because the mean of its divisors is an integer number (68346166).

Almost surely, 2^136692331 is an apocalyptic number.

136692331 is a deficient number, since it is larger than the sum of its proper divisors (1).

136692331 is an equidigital number, since it uses as much as digits as its factorization.

136692331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 34.

The square root of 136692331 is about 11691.5495551274. The cubic root of 136692331 is about 515.1274777903.

The spelling of 136692331 in words is "one hundred thirty-six million, six hundred ninety-two thousand, three hundred thirty-one".