194514399 has 16 divisors (see below), whose sum is σ = 293608800. Its totient is φ = 127228608.

The previous prime is 194514389. The next prime is 194514403. The reversal of 194514399 is 993415491.

It is a de Polignac number, because none of the positive numbers 2^k-194514399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194514329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66534 + ... + 69395.

It is an arithmetic number, because the mean of its divisors is an integer number (18350550).

Almost surely, 2^194514399 is an apocalyptic number.

194514399 is a deficient number, since it is larger than the sum of its proper divisors (99094401).

194514399 is a wasteful number, since it uses less digits than its factorization.

194514399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135991 (or 135985 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 194514399 is about 13946.8419005881. The cubic root of 194514399 is about 579.4072412175.

The spelling of 194514399 in words is "one hundred ninety-four million, five hundred fourteen thousand, three hundred ninety-nine".