194165313 has 32 divisors (see below), whose sum is σ = 290672640. Its totient is φ = 114566400.

The previous prime is 194165311. The next prime is 194165357. The reversal of 194165313 is 313561491.

It is not a de Polignac number, because 194165313 - 2¹ = 194165311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194165311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145656 + ... + 146982.

It is an arithmetic number, because the mean of its divisors is an integer number (9083520).

Almost surely, 2^194165313 is an apocalyptic number.

It is an amenable number.

194165313 is a deficient number, since it is larger than the sum of its proper divisors (96507327).

194165313 is a wasteful number, since it uses less digits than its factorization.

194165313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517.

The product of its digits is 9720, while the sum is 33.

The square root of 194165313 is about 13934.3214043598. The cubic root of 194165313 is about 579.0604218640.

The spelling of 194165313 in words is "one hundred ninety-four million, one hundred sixty-five thousand, three hundred thirteen".