117137652 has 12 divisors (see below), whose sum is σ = 273321216. Its totient is φ = 39045880.

The previous prime is 117137627. The next prime is 117137653. The reversal of 117137652 is 256731711.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117137653) 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, 4880724 + ... + 4880747.

It is an arithmetic number, because the mean of its divisors is an integer number (22776768).

Almost surely, 2^117137652 is an apocalyptic number.

117137652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117137652 is an abundant number, since it is smaller than the sum of its proper divisors (156183564).

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

117137652 is a wasteful number, since it uses less digits than its factorization.

117137652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9761478 (or 9761476 counting only the distinct ones).

The product of its digits is 8820, while the sum is 33.

The square root of 117137652 is about 10823.0149219152. The cubic root of 117137652 is about 489.2890592354.

The spelling of 117137652 in words is "one hundred seventeen million, one hundred thirty-seven thousand, six hundred fifty-two".