189105334 has 12 divisors (see below), whose sum is σ = 311789772. Its totient is φ = 85956860.

The previous prime is 189105313. The next prime is 189105337. The reversal of 189105334 is 433501981.

It is a self number, because there is not a number n which added to its sum of digits gives 189105334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189105337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 390472 + ... + 390955.

It is an arithmetic number, because the mean of its divisors is an integer number (25982481).

Almost surely, 2^189105334 is an apocalyptic number.

189105334 is a deficient number, since it is larger than the sum of its proper divisors (122684438).

189105334 is a wasteful number, since it uses less digits than its factorization.

189105334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781451 (or 781440 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 189105334 is about 13751.5575117875. The cubic root of 189105334 is about 573.9859470391.

The spelling of 189105334 in words is "one hundred eighty-nine million, one hundred five thousand, three hundred thirty-four".