136712831 has 2 divisors, whose sum is σ = 136712832. Its totient is φ = 136712830.

The previous prime is 136712803. The next prime is 136712837. The reversal of 136712831 is 138217631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136712831 - 2⁶ = 136712767 is a prime.

It is a super-2 number, since 2×136712831² = 37380796320069122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136712837) 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, 68356415 + 68356416.

It is an arithmetic number, because the mean of its divisors is an integer number (68356416).

Almost surely, 2^136712831 is an apocalyptic number.

136712831 is a deficient number, since it is larger than the sum of its proper divisors (1).

136712831 is an equidigital number, since it uses as much as digits as its factorization.

136712831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 136712831 is about 11692.4262238425. The cubic root of 136712831 is about 515.1532280411.

The spelling of 136712831 in words is "one hundred thirty-six million, seven hundred twelve thousand, eight hundred thirty-one".