117130186 has 4 divisors (see below), whose sum is σ = 175695282. Its totient is φ = 58565092.

The previous prime is 117130147. The next prime is 117130207. The reversal of 117130186 is 681031711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 681031711 = 4943 ⋅137777.

It can be written as a sum of positive squares in only one way, i.e., 106729561 + 10400625 = 10331^2 + 3225^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29282545 + ... + 29282548.

Almost surely, 2^117130186 is an apocalyptic number.

117130186 is a deficient number, since it is larger than the sum of its proper divisors (58565096).

117130186 is an equidigital number, since it uses as much as digits as its factorization.

117130186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58565095.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 117130186 is about 10822.6700032848. The cubic root of 117130186 is about 489.2786637458.

Adding to 117130186 its reverse (681031711), we get a palindrome (798161897).

The spelling of 117130186 in words is "one hundred seventeen million, one hundred thirty thousand, one hundred eighty-six".