117615394 has 8 divisors (see below), whose sum is σ = 189994140. Its totient is φ = 54284016.

The previous prime is 117615389. The next prime is 117615413. The reversal of 117615394 is 493516711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 117614025 + 1369 = 10845^2 + 37^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261809 + ... + 2261860.

Almost surely, 2^117615394 is an apocalyptic number.

117615394 is a deficient number, since it is larger than the sum of its proper divisors (72378746).

117615394 is a wasteful number, since it uses less digits than its factorization.

117615394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4523684.

The product of its digits is 22680, while the sum is 37.

The square root of 117615394 is about 10845.0631164599. The cubic root of 117615394 is about 489.9533399968.

The spelling of 117615394 in words is "one hundred seventeen million, six hundred fifteen thousand, three hundred ninety-four".