189075231 has 24 divisors (see below), whose sum is σ = 288812160. Its totient is φ = 119001600.

The previous prime is 189075223. The next prime is 189075239. The reversal of 189075231 is 132570981.

It is an interprime number because it is at equal distance from previous prime (189075223) and next prime (189075239).

It is not a de Polignac number, because 189075231 - 2³ = 189075223 is a prime.

It is a super-4 number, since 4×189075231⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189075239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3175 + ... + 19703.

It is an arithmetic number, because the mean of its divisors is an integer number (12033840).

Almost surely, 2^189075231 is an apocalyptic number.

189075231 is a deficient number, since it is larger than the sum of its proper divisors (99736929).

189075231 is a wasteful number, since it uses less digits than its factorization.

189075231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16607 (or 16604 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 189075231 is about 13750.4629376614. The cubic root of 189075231 is about 573.9554885013.

The spelling of 189075231 in words is "one hundred eighty-nine million, seventy-five thousand, two hundred thirty-one".