189134365 has 24 divisors (see below), whose sum is σ = 264625920. Its totient is φ = 129392928.

The previous prime is 189134329. The next prime is 189134389. The reversal of 189134365 is 563431981.

It is not a de Polignac number, because 189134365 - 2¹⁷ = 189003293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181516 + ... + 182554.

It is an arithmetic number, because the mean of its divisors is an integer number (11026080).

Almost surely, 2^189134365 is an apocalyptic number.

It is an amenable number.

189134365 is a deficient number, since it is larger than the sum of its proper divisors (75491555).

189134365 is a wasteful number, since it uses less digits than its factorization.

189134365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801 (or 1794 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 189134365 is about 13752.6130244401. The cubic root of 189134365 is about 574.0153178542.

The spelling of 189134365 in words is "one hundred eighty-nine million, one hundred thirty-four thousand, three hundred sixty-five".