136731159 has 30 divisors (see below), whose sum is σ = 213586296. Its totient is φ = 87163560.

The previous prime is 136731151. The next prime is 136731181. The reversal of 136731159 is 951137631.

It is not a de Polignac number, because 136731159 - 2³ = 136731151 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136731151) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 41254 + ... + 44444.

Almost surely, 2^136731159 is an apocalyptic number.

136731159 is a deficient number, since it is larger than the sum of its proper divisors (76855137).

136731159 is an equidigital number, since it uses as much as digits as its factorization.

136731159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249 (or 3217 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 136731159 is about 11693.2099527888. The cubic root of 136731159 is about 515.1762478421.

The spelling of 136731159 in words is "one hundred thirty-six million, seven hundred thirty-one thousand, one hundred fifty-nine".