190899132 has 24 divisors (see below), whose sum is σ = 457471056. Its totient is φ = 61913088.

The previous prime is 190899131. The next prime is 190899143. The reversal of 190899132 is 231998091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190899131) 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, 214533 + ... + 215420.

It is an arithmetic number, because the mean of its divisors is an integer number (19061294).

Almost surely, 2^190899132 is an apocalyptic number.

190899132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190899132 is an abundant number, since it is smaller than the sum of its proper divisors (266571924).

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

190899132 is a wasteful number, since it uses less digits than its factorization.

190899132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429997 (or 429995 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 190899132 is about 13816.6252029937. The cubic root of 190899132 is about 575.7951263090.

The spelling of 190899132 in words is "one hundred ninety million, eight hundred ninety-nine thousand, one hundred thirty-two".