194918113 has 8 divisors (see below), whose sum is σ = 212442048. Its totient is φ = 177755664.

The previous prime is 194918081. The next prime is 194918117. The reversal of 194918113 is 311819491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 194918113 - 2⁵ = 194918081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194918117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89245 + ... + 91402.

It is an arithmetic number, because the mean of its divisors is an integer number (26555256).

Almost surely, 2^194918113 is an apocalyptic number.

194918113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

194918113 is a deficient number, since it is larger than the sum of its proper divisors (17523935).

194918113 is a wasteful number, since it uses less digits than its factorization.

194918113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180743.

The product of its digits is 7776, while the sum is 37.

The square root of 194918113 is about 13961.3077109560. The cubic root of 194918113 is about 579.8078168265.

The spelling of 194918113 in words is "one hundred ninety-four million, nine hundred eighteen thousand, one hundred thirteen".