117394636 has 12 divisors (see below), whose sum is σ = 210993328. Its totient is φ = 57110832.

The previous prime is 117394633. The next prime is 117394637. The reversal of 117394636 is 636493711.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (117394631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396456 + ... + 396751.

Almost surely, 2^117394636 is an apocalyptic number.

It is an amenable number.

117394636 is a deficient number, since it is larger than the sum of its proper divisors (93598692).

117394636 is a wasteful number, since it uses less digits than its factorization.

117394636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793248 (or 793246 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 117394636 is about 10834.8805254142. The cubic root of 117394636 is about 489.6466090003.

The spelling of 117394636 in words is "one hundred seventeen million, three hundred ninety-four thousand, six hundred thirty-six".