117275136 has 120 divisors (see below), whose sum is σ = 343957152. Its totient is φ = 35481600.

The previous prime is 117275131. The next prime is 117275161. The reversal of 117275136 is 631572711.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 117275097 and 117275106.

It is not an unprimeable number, because it can be changed into a prime (117275131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185541 + ... + 186171.

Almost surely, 2^117275136 is an apocalyptic number.

117275136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117275136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171978576).

117275136 is an abundant number, since it is smaller than the sum of its proper divisors (226682016).

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

117275136 is an equidigital number, since it uses as much as digits as its factorization.

117275136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 647 counting only the distinct ones).

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

The square root of 117275136 is about 10829.3645242923. The cubic root of 117275136 is about 489.4804099386.

The spelling of 117275136 in words is "one hundred seventeen million, two hundred seventy-five thousand, one hundred thirty-six".