117136764 has 18 divisors (see below), whose sum is σ = 296095800. Its totient is φ = 39045576.

The previous prime is 117136763. The next prime is 117136787. The reversal of 117136764 is 467631711.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3253799 = 117136764 / (1 + 1 + 7 + 1 + 3 + 6 + 7 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117136763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1626864 + ... + 1626935.

Almost surely, 2^117136764 is an apocalyptic number.

It is an amenable number.

117136764 is an abundant number, since it is smaller than the sum of its proper divisors (178959036).

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

117136764 is a wasteful number, since it uses less digits than its factorization.

117136764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253809 (or 3253804 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 117136764 is about 10822.9738981483. The cubic root of 117136764 is about 489.2878228275.

The spelling of 117136764 in words is "one hundred seventeen million, one hundred thirty-six thousand, seven hundred sixty-four".