117136634988 has 24 divisors (see below), whose sum is σ = 287704016320. Its totient is φ = 36990516240.

The previous prime is 117136634939. The next prime is 117136635029. The reversal of 117136634988 is 889436631711.

It is a happy number.

It is a super-3 number, since 3×117136634988³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 256878358 + ... + 256878813.

Almost surely, 2^117136634988 is an apocalyptic number.

It is an amenable number.

117136634988 is an abundant number, since it is smaller than the sum of its proper divisors (170567381332).

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

117136634988 is a wasteful number, since it uses less digits than its factorization.

117136634988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513757197 (or 513757195 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The spelling of 117136634988 in words is "one hundred seventeen billion, one hundred thirty-six million, six hundred thirty-four thousand, nine hundred eighty-eight".