189134373 has 8 divisors (see below), whose sum is σ = 252815968. Its totient is φ = 125771184.

The previous prime is 189134329. The next prime is 189134389. The reversal of 189134373 is 373431981.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 189134373 - 2²⁰ = 188085797 is a prime.

It is a super-2 number, since 2×189134373² = 71543622100206258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189134573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78211 + ... + 80592.

It is an arithmetic number, because the mean of its divisors is an integer number (31601996).

Almost surely, 2^189134373 is an apocalyptic number.

It is an amenable number.

189134373 is a deficient number, since it is larger than the sum of its proper divisors (63681595).

189134373 is a wasteful number, since it uses less digits than its factorization.

189134373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159203.

The product of its digits is 54432, while the sum is 39.

The square root of 189134373 is about 13752.6133152939. The cubic root of 189134373 is about 574.0153259474.

The spelling of 189134373 in words is "one hundred eighty-nine million, one hundred thirty-four thousand, three hundred seventy-three".