194813073 has 96 divisors (see below), whose sum is σ = 370782720. Its totient is φ = 100154880.

The previous prime is 194813071. The next prime is 194813111. The reversal of 194813073 is 370318491.

It is a happy number.

194813073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 194813073 - 2¹ = 194813071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194813071) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 808233 + ... + 808473.

It is an arithmetic number, because the mean of its divisors is an integer number (3862320).

Almost surely, 2^194813073 is an apocalyptic number.

194813073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

194813073 is a deficient number, since it is larger than the sum of its proper divisors (175969647).

194813073 is a wasteful number, since it uses less digits than its factorization.

194813073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 194813073 is about 13957.5453787548. The cubic root of 194813073 is about 579.7036466607.

The spelling of 194813073 in words is "one hundred ninety-four million, eight hundred thirteen thousand, seventy-three".