136732031 has 2 divisors, whose sum is σ = 136732032. Its totient is φ = 136732030.

The previous prime is 136732027. The next prime is 136732051. The reversal of 136732031 is 130237631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136732031 - 2² = 136732027 is a prime.

It is a super-2 number, since 2×136732031² = 37391296602769922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136732051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68366015 + 68366016.

It is an arithmetic number, because the mean of its divisors is an integer number (68366016).

Almost surely, 2^136732031 is an apocalyptic number.

136732031 is a deficient number, since it is larger than the sum of its proper divisors (1).

136732031 is an equidigital number, since it uses as much as digits as its factorization.

136732031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 136732031 is about 11693.2472393258. The cubic root of 136732031 is about 515.1773430148.

Adding to 136732031 its reverse (130237631), we get a palindrome (266969662).

The spelling of 136732031 in words is "one hundred thirty-six million, seven hundred thirty-two thousand, thirty-one".