194968315 has 4 divisors (see below), whose sum is σ = 233961984. Its totient is φ = 155974648.

The previous prime is 194968303. The next prime is 194968369. The reversal of 194968315 is 513869491.

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

It is a cyclic number.

It is not a de Polignac number, because 194968315 - 2⁵ = 194968283 is a prime.

It is a Duffinian number.

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, 19496827 + ... + 19496836.

It is an arithmetic number, because the mean of its divisors is an integer number (58490496).

Almost surely, 2^194968315 is an apocalyptic number.

194968315 is a deficient number, since it is larger than the sum of its proper divisors (38993669).

194968315 is an equidigital number, since it uses as much as digits as its factorization.

194968315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38993668.

The product of its digits is 233280, while the sum is 46.

The square root of 194968315 is about 13963.1054926904. The cubic root of 194968315 is about 579.8575898876.

The spelling of 194968315 in words is "one hundred ninety-four million, nine hundred sixty-eight thousand, three hundred fifteen".