136331964 has 48 divisors (see below), whose sum is σ = 354564000. Its totient is φ = 45301248.

The previous prime is 136331957. The next prime is 136331981. The reversal of 136331964 is 469133631.

136331964 is a `hidden beast` number, since 1 + 3 + 633 + 19 + 6 + 4 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35884 + ... + 39500.

It is an arithmetic number, because the mean of its divisors is an integer number (7386750).

Almost surely, 2^136331964 is an apocalyptic number.

It is an amenable number.

136331964 is an abundant number, since it is smaller than the sum of its proper divisors (218232036).

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

136331964 is a wasteful number, since it uses less digits than its factorization.

136331964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979 (or 3971 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 136331964 is about 11676.1279540779. The cubic root of 136331964 is about 514.6743962510.

The spelling of 136331964 in words is "one hundred thirty-six million, three hundred thirty-one thousand, nine hundred sixty-four".