189137 has 4 divisors (see below), whose sum is σ = 203700. Its totient is φ = 174576.

The previous prime is 189127. The next prime is 189139. The reversal of 189137 is 731981.

189137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92416 + 96721 = 304^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 189137 - 2¹⁶ = 123601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7262 + ... + 7287.

It is an arithmetic number, because the mean of its divisors is an integer number (50925).

2¹⁸⁹¹³⁷ is an apocalyptic number.

It is an amenable number.

189137 is a deficient number, since it is larger than the sum of its proper divisors (14563).

189137 is a wasteful number, since it uses less digits than its factorization.

189137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14562.

The product of its digits is 1512, while the sum is 29.

The square root of 189137 is about 434.8988388120. The cubic root of 189137 is about 57.4017983549.

The spelling of 189137 in words is "one hundred eighty-nine thousand, one hundred thirty-seven".