136187456 has 28 divisors (see below), whose sum is σ = 270711168. Its totient is φ = 67976832.

The previous prime is 136187431. The next prime is 136187473. The reversal of 136187456 is 654781631.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45065 + ... + 47991.

It is an arithmetic number, because the mean of its divisors is an integer number (9668256).

Almost surely, 2^136187456 is an apocalyptic number.

136187456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136187456 is a deficient number, since it is larger than the sum of its proper divisors (134523712).

136187456 is an equidigital number, since it uses as much as digits as its factorization.

136187456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666 (or 3656 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 136187456 is about 11669.9381317983. The cubic root of 136187456 is about 514.4924852272.

The spelling of 136187456 in words is "one hundred thirty-six million, one hundred eighty-seven thousand, four hundred fifty-six".