194818125 has 20 divisors (see below), whose sum is σ = 324596096. Its totient is φ = 103902000.

The previous prime is 194818121. The next prime is 194818157. The reversal of 194818125 is 521818491.

194818125 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 194818125 - 2² = 194818121 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194818121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50077 + ... + 53826.

Almost surely, 2^194818125 is an apocalyptic number.

194818125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194818125 is a deficient number, since it is larger than the sum of its proper divisors (129777971).

194818125 is an equidigital number, since it uses as much as digits as its factorization.

194818125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103926 (or 103911 counting only the distinct ones).

The product of its digits is 23040, while the sum is 39.

The square root of 194818125 is about 13957.7263549620. The cubic root of 194818125 is about 579.7086576823.

The spelling of 194818125 in words is "one hundred ninety-four million, eight hundred eighteen thousand, one hundred twenty-five".