136915331 has 16 divisors (see below), whose sum is σ = 165993984. Its totient is φ = 110242944.

The previous prime is 136915321. The next prime is 136915333. The reversal of 136915331 is 133519631.

It is not a de Polignac number, because 136915331 - 2⁶ = 136915267 is a prime.

It is a super-2 number, since 2×136915331² = 37491615725679122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136915333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104426 + ... + 105728.

It is an arithmetic number, because the mean of its divisors is an integer number (10374624).

Almost surely, 2^136915331 is an apocalyptic number.

136915331 is a deficient number, since it is larger than the sum of its proper divisors (29078653).

136915331 is a wasteful number, since it uses less digits than its factorization.

136915331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210.

The product of its digits is 7290, while the sum is 32.

The square root of 136915331 is about 11701.0824712930. The cubic root of 136915331 is about 515.4074520825.

The spelling of 136915331 in words is "one hundred thirty-six million, nine hundred fifteen thousand, three hundred thirty-one".