117153540 has 120 divisors (see below), whose sum is σ = 420057792. Its totient is φ = 26775360.

The previous prime is 117153521. The next prime is 117153643. The reversal of 117153540 is 45351711.

117153540 is a `hidden beast` number, since 1 + 1 + 71 + 53 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6175 + ... + 16505.

Almost surely, 2^117153540 is an apocalyptic number.

117153540 is a gapful number since it is divisible by the number (10) 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 117153540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210028896).

117153540 is an abundant number, since it is smaller than the sum of its proper divisors (302904252).

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

117153540 is a wasteful number, since it uses less digits than its factorization.

117153540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10359 (or 10348 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 117153540 is about 10823.7488884397. The cubic root of 117153540 is about 489.3111798573.

The spelling of 117153540 in words is "one hundred seventeen million, one hundred fifty-three thousand, five hundred forty".