136785056 has 24 divisors (see below), whose sum is σ = 273319200. Its totient is φ = 67370688.

The previous prime is 136785053. The next prime is 136785059. The reversal of 136785056 is 650587631.

It is an interprime number because it is at equal distance from previous prime (136785053) and next prime (136785059).

It is not an unprimeable number, because it can be changed into a prime (136785053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29756 + ... + 34043.

It is an arithmetic number, because the mean of its divisors is an integer number (11388300).

Almost surely, 2^136785056 is an apocalyptic number.

136785056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136785056 is a deficient number, since it is larger than the sum of its proper divisors (136534144).

136785056 is an equidigital number, since it uses as much as digits as its factorization.

136785056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63876 (or 63868 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 136785056 is about 11695.5143538025. The cubic root of 136785056 is about 515.2439300658.

The spelling of 136785056 in words is "one hundred thirty-six million, seven hundred eighty-five thousand, fifty-six".