136700831 has 2 divisors, whose sum is σ = 136700832. Its totient is φ = 136700830.

The previous prime is 136700807. The next prime is 136700849. The reversal of 136700831 is 138007631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136700831 - 2²² = 132506527 is a prime.

It is a super-3 number, since 3×136700831³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 136700794 and 136700803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136700881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68350415 + 68350416.

It is an arithmetic number, because the mean of its divisors is an integer number (68350416).

Almost surely, 2^136700831 is an apocalyptic number.

136700831 is a deficient number, since it is larger than the sum of its proper divisors (1).

136700831 is an equidigital number, since it uses as much as digits as its factorization.

136700831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 136700831 is about 11691.9130598889. The cubic root of 136700831 is about 515.1381550360.

The spelling of 136700831 in words is "one hundred thirty-six million, seven hundred thousand, eight hundred thirty-one".