194715313 has 8 divisors (see below), whose sum is σ = 214155648. Its totient is φ = 175912464.

The previous prime is 194715293. The next prime is 194715317. The reversal of 194715313 is 313517491.

It is a happy number.

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

It is not a de Polignac number, because 194715313 - 2⁹ = 194714801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194715317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158731 + ... + 159952.

It is an arithmetic number, because the mean of its divisors is an integer number (26769456).

Almost surely, 2^194715313 is an apocalyptic number.

194715313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

194715313 is a deficient number, since it is larger than the sum of its proper divisors (19440335).

194715313 is a wasteful number, since it uses less digits than its factorization.

194715313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318743.

The product of its digits is 11340, while the sum is 34.

The square root of 194715313 is about 13954.0428908614. The cubic root of 194715313 is about 579.6066625623.

The spelling of 194715313 in words is "one hundred ninety-four million, seven hundred fifteen thousand, three hundred thirteen".