171313946 has 8 divisors (see below), whose sum is σ = 257089140. Its totient is φ = 85617568.

The previous prime is 171313907. The next prime is 171313999. The reversal of 171313946 is 649313171.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 171217225 + 96721 = 13085^2 + 311^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13931 + ... + 23166.

Almost surely, 2^171313946 is an apocalyptic number.

171313946 is a deficient number, since it is larger than the sum of its proper divisors (85775194).

171313946 is a wasteful number, since it uses less digits than its factorization.

171313946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39408.

The product of its digits is 13608, while the sum is 35.

The square root of 171313946 is about 13088.6953513328. The cubic root of 171313946 is about 555.3893823510.

The spelling of 171313946 in words is "one hundred seventy-one million, three hundred thirteen thousand, nine hundred forty-six".