117147194 has 4 divisors (see below), whose sum is σ = 175720794. Its totient is φ = 58573596.

The previous prime is 117147181. The next prime is 117147197. The reversal of 117147194 is 491741711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 86731969 + 30415225 = 9313^2 + 5515^2 .

It is not an unprimeable number, because it can be changed into a prime (117147197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29286797 + ... + 29286800.

Almost surely, 2^117147194 is an apocalyptic number.

117147194 is a deficient number, since it is larger than the sum of its proper divisors (58573600).

117147194 is an equidigital number, since it uses as much as digits as its factorization.

117147194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58573599.

The product of its digits is 7056, while the sum is 35.

The square root of 117147194 is about 10823.4557328055. The cubic root of 117147194 is about 489.3023446575.

The spelling of 117147194 in words is "one hundred seventeen million, one hundred forty-seven thousand, one hundred ninety-four".