189127140 has 48 divisors (see below), whose sum is σ = 557430720. Its totient is φ = 47779200.

The previous prime is 189127139. The next prime is 189127171. The reversal of 189127140 is 41721981.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81811 + ... + 84090.

It is an arithmetic number, because the mean of its divisors is an integer number (11613140).

Almost surely, 2^189127140 is an apocalyptic number.

189127140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189127140 is an abundant number, since it is smaller than the sum of its proper divisors (368303580).

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

189127140 is a wasteful number, since it uses less digits than its factorization.

189127140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165932 (or 165930 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 189127140 is about 13752.3503445775. The cubic root of 189127140 is about 574.0080085647.

The spelling of 189127140 in words is "one hundred eighty-nine million, one hundred twenty-seven thousand, one hundred forty".