117340542 has 128 divisors (see below), whose sum is σ = 308620800. Its totient is φ = 32659200.

The previous prime is 117340519. The next prime is 117340547. The reversal of 117340542 is 245043711.

117340542 is a `hidden beast` number, since 11 + 73 + 40 + 542 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117340547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 417442 + ... + 417722.

It is an arithmetic number, because the mean of its divisors is an integer number (2411100).

Almost surely, 2^117340542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117340542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154310400).

117340542 is an abundant number, since it is smaller than the sum of its proper divisors (191280258).

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

117340542 is a wasteful number, since it uses less digits than its factorization.

117340542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 117340542 is about 10832.3839481436. The cubic root of 117340542 is about 489.5713897401.

The spelling of 117340542 in words is "one hundred seventeen million, three hundred forty thousand, five hundred forty-two".