194003313 has 16 divisors (see below), whose sum is σ = 296858496. Its totient is φ = 110396160.

The previous prime is 194003291. The next prime is 194003333. The reversal of 194003313 is 313300491.

It is not a de Polignac number, because 194003313 - 2¹² = 193999217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (194003333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14106 + ... + 24227.

It is an arithmetic number, because the mean of its divisors is an integer number (18553656).

Almost surely, 2^194003313 is an apocalyptic number.

It is an amenable number.

194003313 is a deficient number, since it is larger than the sum of its proper divisors (102855183).

194003313 is a wasteful number, since it uses less digits than its factorization.

194003313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38584.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 194003313 is about 13928.5072064453. The cubic root of 194003313 is about 578.8993325184.

The spelling of 194003313 in words is "one hundred ninety-four million, three thousand, three hundred thirteen".