117018136 has 16 divisors (see below), whose sum is σ = 224512200. Its totient is φ = 57148224.

The previous prime is 117018133. The next prime is 117018137. The reversal of 117018136 is 631810711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117018133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169741 + ... + 170428.

Almost surely, 2^117018136 is an apocalyptic number.

It is an amenable number.

117018136 is a deficient number, since it is larger than the sum of its proper divisors (107494064).

117018136 is a wasteful number, since it uses less digits than its factorization.

117018136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340218 (or 340214 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 117018136 is about 10817.4921308037. The cubic root of 117018136 is about 489.1225947671.

Adding to 117018136 its reverse (631810711), we get a palindrome (748828847).

It can be divided in two parts, 1170 and 18136, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 117018136 in words is "one hundred seventeen million, eighteen thousand, one hundred thirty-six".