136315644 has 12 divisors (see below), whose sum is σ = 318069864. Its totient is φ = 45438544.

The previous prime is 136315637. The next prime is 136315657. The reversal of 136315644 is 446513631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 5679807 + ... + 5679830.

It is an arithmetic number, because the mean of its divisors is an integer number (26505822).

Almost surely, 2^136315644 is an apocalyptic number.

It is an amenable number.

136315644 is an abundant number, since it is smaller than the sum of its proper divisors (181754220).

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

136315644 is a wasteful number, since it uses less digits than its factorization.

136315644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11359644 (or 11359642 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 136315644 is about 11675.4290713447. The cubic root of 136315644 is about 514.6538585843.

The spelling of 136315644 in words is "one hundred thirty-six million, three hundred fifteen thousand, six hundred forty-four".