136272537 has 20 divisors (see below), whose sum is σ = 210590820. Its totient is φ = 87714144.

The previous prime is 136272529. The next prime is 136272571. The reversal of 136272537 is 735272631.

136272537 is a `hidden beast` number, since 1 + 3 + 627 + 25 + 3 + 7 = 666.

136272537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 100881936 + 35390601 = 10044^2 + 5949^2 .

It is not a de Polignac number, because 136272537 - 2³ = 136272529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136272337) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26658 + ... + 31355.

It is an arithmetic number, because the mean of its divisors is an integer number (10529541).

Almost surely, 2^136272537 is an apocalyptic number.

It is an amenable number.

136272537 is a deficient number, since it is larger than the sum of its proper divisors (74318283).

136272537 is an equidigital number, since it uses as much as digits as its factorization.

136272537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58054 (or 58045 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 136272537 is about 11673.5828690253. The cubic root of 136272537 is about 514.5996033225.

The spelling of 136272537 in words is "one hundred thirty-six million, two hundred seventy-two thousand, five hundred thirty-seven".