136644366 has 8 divisors (see below), whose sum is σ = 273288744. Its totient is φ = 45548120.

The previous prime is 136644337. The next prime is 136644407. The reversal of 136644366 is 663446631.

It is a sphenic number, since it is the product of 3 distinct primes.

136644366 is an admirable number.

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, 11387025 + ... + 11387036.

It is an arithmetic number, because the mean of its divisors is an integer number (34161093).

Almost surely, 2^136644366 is an apocalyptic number.

136644366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

136644366 is a wasteful number, since it uses less digits than its factorization.

136644366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22774066.

The product of its digits is 186624, while the sum is 39.

The square root of 136644366 is about 11689.4981072756. The cubic root of 136644366 is about 515.0672184232.

The spelling of 136644366 in words is "one hundred thirty-six million, six hundred forty-four thousand, three hundred sixty-six".