136651764 has 24 divisors (see below), whose sum is σ = 326270560. Its totient is φ = 44491104.

The previous prime is 136651727. The next prime is 136651771. The reversal of 136651764 is 467156631.

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, 131899 + ... + 132930.

Almost surely, 2^136651764 is an apocalyptic number.

It is an amenable number.

136651764 is an abundant number, since it is smaller than the sum of its proper divisors (189618796).

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

136651764 is a wasteful number, since it uses less digits than its factorization.

136651764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264879 (or 264877 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 136651764 is about 11689.8145408728. The cubic root of 136651764 is about 515.0765135949.

The spelling of 136651764 in words is "one hundred thirty-six million, six hundred fifty-one thousand, seven hundred sixty-four".