189064195 has 16 divisors (see below), whose sum is σ = 242277120. Its totient is φ = 141321600.

The previous prime is 189064177. The next prime is 189064199. The reversal of 189064195 is 591460981.

It is not a de Polignac number, because 189064195 - 2⁹ = 189063683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189064199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16536 + ... + 25525.

It is an arithmetic number, because the mean of its divisors is an integer number (15142320).

Almost surely, 2^189064195 is an apocalyptic number.

189064195 is a deficient number, since it is larger than the sum of its proper divisors (53212925).

189064195 is a wasteful number, since it uses less digits than its factorization.

189064195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42126.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 189064195 is about 13750.0616362255. The cubic root of 189064195 is about 573.9443213484.

The spelling of 189064195 in words is "one hundred eighty-nine million, sixty-four thousand, one hundred ninety-five".