136725856 has 12 divisors (see below), whose sum is σ = 269179092. Its totient is φ = 68362912.

The previous prime is 136725851. The next prime is 136725877. The reversal of 136725856 is 658527631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136725851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2136310 + ... + 2136373.

It is an arithmetic number, because the mean of its divisors is an integer number (22431591).

Almost surely, 2^136725856 is an apocalyptic number.

136725856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136725856 is a deficient number, since it is larger than the sum of its proper divisors (132453236).

136725856 is an equidigital number, since it uses as much as digits as its factorization.

136725856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272693 (or 4272685 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 136725856 is about 11692.9831950619. The cubic root of 136725856 is about 515.1695875339.

The spelling of 136725856 in words is "one hundred thirty-six million, seven hundred twenty-five thousand, eight hundred fifty-six".