190194900 has 216 divisors, whose sum is σ = 658249536. Its totient is φ = 41510400.

The previous prime is 190194887. The next prime is 190194923. The reversal of 190194900 is 9491091.

190194900 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4046677 + ... + 4046723.

Almost surely, 2^190194900 is an apocalyptic number.

190194900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190194900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329124768).

190194900 is an abundant number, since it is smaller than the sum of its proper divisors (468054636).

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

190194900 is a wasteful number, since it uses less digits than its factorization.

190194900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 190194900 is about 13791.1167060539. The cubic root of 190194900 is about 575.0862126559.

The spelling of 190194900 in words is "one hundred ninety million, one hundred ninety-four thousand, nine hundred".