191132900 has 36 divisors (see below), whose sum is σ = 474011328. Its totient is φ = 65531040.

The previous prime is 191132869. The next prime is 191132911. The reversal of 191132900 is 9231191.

191132900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 191132900.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135824 + ... + 137223.

Almost surely, 2^191132900 is an apocalyptic number.

191132900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

191132900 is an abundant number, since it is smaller than the sum of its proper divisors (282878428).

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

191132900 is a wasteful number, since it uses less digits than its factorization.

191132900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273068 (or 273061 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 191132900 is about 13825.0822782362. The cubic root of 191132900 is about 576.0300628921.

The spelling of 191132900 in words is "one hundred ninety-one million, one hundred thirty-two thousand, nine hundred".