136656312 has 32 divisors (see below), whose sum is σ = 367921680. Its totient is φ = 42048000.

The previous prime is 136656269. The next prime is 136656337. The reversal of 136656312 is 213656631.

136656312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218689 + ... + 219312.

Almost surely, 2^136656312 is an apocalyptic number.

136656312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136656312 is an abundant number, since it is smaller than the sum of its proper divisors (231265368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136656312 is a wasteful number, since it uses less digits than its factorization.

136656312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438023 (or 438019 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 136656312 is about 11690.0090675756. The cubic root of 136656312 is about 515.0822277350.

The spelling of 136656312 in words is "one hundred thirty-six million, six hundred fifty-six thousand, three hundred twelve".