136336831 has 2 divisors, whose sum is σ = 136336832. Its totient is φ = 136336830.

The previous prime is 136336817. The next prime is 136336867. The reversal of 136336831 is 138633631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136336831 - 2²⁵ = 102782399 is a prime.

It is a super-2 number, since 2×136336831² = 37175462974245122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136333831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68168415 + 68168416.

It is an arithmetic number, because the mean of its divisors is an integer number (68168416).

Almost surely, 2^136336831 is an apocalyptic number.

136336831 is a deficient number, since it is larger than the sum of its proper divisors (1).

136336831 is an equidigital number, since it uses as much as digits as its factorization.

136336831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 34.

The square root of 136336831 is about 11676.3363689130. The cubic root of 136336831 is about 514.6805207391.

The spelling of 136336831 in words is "one hundred thirty-six million, three hundred thirty-six thousand, eight hundred thirty-one".