136731951 has 6 divisors (see below), whose sum is σ = 197501720. Its totient is φ = 91154628.

The previous prime is 136731943. The next prime is 136731953. The reversal of 136731951 is 159137631.

136731951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136731951 - 2³ = 136731943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136731953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7596211 + ... + 7596228.

Almost surely, 2^136731951 is an apocalyptic number.

136731951 is a deficient number, since it is larger than the sum of its proper divisors (60769769).

136731951 is a wasteful number, since it uses less digits than its factorization.

136731951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15192445 (or 15192442 counting only the distinct ones).

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

The square root of 136731951 is about 11693.2438185475. The cubic root of 136731951 is about 515.1772425405.

The spelling of 136731951 in words is "one hundred thirty-six million, seven hundred thirty-one thousand, nine hundred fifty-one".