136661764 has 12 divisors (see below), whose sum is σ = 246873088. Its totient is φ = 66126600.

The previous prime is 136661753. The next prime is 136661771. The reversal of 136661764 is 467166631.

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, 550932 + ... + 551179.

Almost surely, 2^136661764 is an apocalyptic number.

It is an amenable number.

136661764 is a deficient number, since it is larger than the sum of its proper divisors (110211324).

136661764 is a wasteful number, since it uses less digits than its factorization.

136661764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102146 (or 1102144 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 136661764 is about 11690.2422558303. The cubic root of 136661764 is about 515.0890775003.

The spelling of 136661764 in words is "one hundred thirty-six million, six hundred sixty-one thousand, seven hundred sixty-four".