189530194 has 16 divisors (see below), whose sum is σ = 326063808. Its totient is φ = 80938512.

The previous prime is 189530183. The next prime is 189530207. The reversal of 189530194 is 491035981.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19957 + ... + 27880.

It is an arithmetic number, because the mean of its divisors is an integer number (20378988).

Almost surely, 2^189530194 is an apocalyptic number.

189530194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

189530194 is a deficient number, since it is larger than the sum of its proper divisors (136533614).

189530194 is a wasteful number, since it uses less digits than its factorization.

189530194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48129.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 189530194 is about 13766.9965497199. The cubic root of 189530194 is about 574.4154806111.

The spelling of 189530194 in words is "one hundred eighty-nine million, five hundred thirty thousand, one hundred ninety-four".