117943189 has 16 divisors (see below), whose sum is σ = 149847040. Its totient is φ = 90305280.

The previous prime is 117943187. The next prime is 117943201. The reversal of 117943189 is 981349711.

It is not a de Polignac number, because 117943189 - 2¹ = 117943187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117943181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18084 + ... + 23725.

It is an arithmetic number, because the mean of its divisors is an integer number (9365440).

Almost surely, 2^117943189 is an apocalyptic number.

It is an amenable number.

117943189 is a deficient number, since it is larger than the sum of its proper divisors (31903851).

117943189 is a wasteful number, since it uses less digits than its factorization.

117943189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41860.

The product of its digits is 54432, while the sum is 43.

The square root of 117943189 is about 10860.1652381536. The cubic root of 117943189 is about 490.4080856965.

The spelling of 117943189 in words is "one hundred seventeen million, nine hundred forty-three thousand, one hundred eighty-nine".