194918130 has 64 divisors (see below), whose sum is σ = 567043200. Its totient is φ = 47252160.

The previous prime is 194918117. The next prime is 194918137. The reversal of 194918130 is 31819491.

194918130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (194918137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29845 + ... + 35784.

It is an arithmetic number, because the mean of its divisors is an integer number (8860050).

Almost surely, 2^194918130 is an apocalyptic number.

194918130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194918130 is an abundant number, since it is smaller than the sum of its proper divisors (372125070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194918130 is a wasteful number, since it uses less digits than its factorization.

194918130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65656 (or 65650 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 194918130 is about 13961.3083197815. The cubic root of 194918130 is about 579.8078336827.

The spelling of 194918130 in words is "one hundred ninety-four million, nine hundred eighteen thousand, one hundred thirty".