194794140 has 48 divisors (see below), whose sum is σ = 546084000. Its totient is φ = 51882240.

The previous prime is 194794129. The next prime is 194794147. The reversal of 194794140 is 41497491.

194794140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194794147) 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, 69486 + ... + 72234.

It is an arithmetic number, because the mean of its divisors is an integer number (11376750).

Almost surely, 2^194794140 is an apocalyptic number.

194794140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194794140 is an abundant number, since it is smaller than the sum of its proper divisors (351289860).

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

194794140 is a wasteful number, since it uses less digits than its factorization.

194794140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942 (or 3940 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 194794140 is about 13956.8671269737. The cubic root of 194794140 is about 579.6848664619.

The spelling of 194794140 in words is "one hundred ninety-four million, seven hundred ninety-four thousand, one hundred forty".