136432764 has 72 divisors (see below), whose sum is σ = 381486560. Its totient is φ = 40839552.

The previous prime is 136432753. The next prime is 136432771. The reversal of 136432764 is 467234631.

It is a happy number.

136432764 is a `hidden beast` number, since 1 + 3 + 643 + 2 + 7 + 6 + 4 = 666.

It is a super-2 number, since 2×136432764² = 37227798185359392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13377 + ... + 21255.

Almost surely, 2^136432764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136432764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190743280).

136432764 is an abundant number, since it is smaller than the sum of its proper divisors (245053796).

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

136432764 is a wasteful number, since it uses less digits than its factorization.

136432764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7939 (or 7934 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 136432764 is about 11680.4436559576. The cubic root of 136432764 is about 514.8012102347.

The spelling of 136432764 in words is "one hundred thirty-six million, four hundred thirty-two thousand, seven hundred sixty-four".