117940636 has 36 divisors (see below), whose sum is σ = 230314504. Its totient is φ = 52794720.

The previous prime is 117940597. The next prime is 117940661. The reversal of 117940636 is 636049711.

It is a junction number, because it is equal to n+sod(n) for n = 117940595 and 117940604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30610 + ... + 34246.

Almost surely, 2^117940636 is an apocalyptic number.

It is an amenable number.

117940636 is a deficient number, since it is larger than the sum of its proper divisors (112373868).

117940636 is a wasteful number, since it uses less digits than its factorization.

117940636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730 (or 3717 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 117940636 is about 10860.0476978695. The cubic root of 117940636 is about 490.4045472107.

The spelling of 117940636 in words is "one hundred seventeen million, nine hundred forty thousand, six hundred thirty-six".