189330100 has 36 divisors (see below), whose sum is σ = 419598144. Its totient is φ = 74118880.

The previous prime is 189330083. The next prime is 189330103. The reversal of 189330100 is 1033981.

189330100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189330103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15442 + ... + 24841.

It is an arithmetic number, because the mean of its divisors is an integer number (11655504).

Almost surely, 2^189330100 is an apocalyptic number.

189330100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189330100 is an abundant number, since it is smaller than the sum of its proper divisors (230268044).

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

189330100 is a wasteful number, since it uses less digits than its factorization.

189330100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40344 (or 40337 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 189330100 is about 13759.7274682313. The cubic root of 189330100 is about 574.2132655792.

The spelling of 189330100 in words is "one hundred eighty-nine million, three hundred thirty thousand, one hundred".