117365189 has 4 divisors (see below), whose sum is σ = 120094656. Its totient is φ = 114635724.

The previous prime is 117365141. The next prime is 117365191. The reversal of 117365189 is 981563711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 981563711 = 71 ⋅13824841.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117365189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117365089) 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, 1364669 + ... + 1364754.

It is an arithmetic number, because the mean of its divisors is an integer number (30023664).

Almost surely, 2^117365189 is an apocalyptic number.

It is an amenable number.

117365189 is a deficient number, since it is larger than the sum of its proper divisors (2729467).

117365189 is an equidigital number, since it uses as much as digits as its factorization.

117365189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729466.

The product of its digits is 45360, while the sum is 41.

The square root of 117365189 is about 10833.5215419549. The cubic root of 117365189 is about 489.6056649676.

The spelling of 117365189 in words is "one hundred seventeen million, three hundred sixty-five thousand, one hundred eighty-nine".