189146229 has 8 divisors (see below), whose sum is σ = 252443712. Its totient is φ = 125973120.

The previous prime is 189146203. The next prime is 189146261. The reversal of 189146229 is 922641981.

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

It is not a de Polignac number, because 189146229 - 2¹¹ = 189144181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189146129) 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 7 ways as a sum of consecutive naturals, for example, 27484 + ... + 33669.

It is an arithmetic number, because the mean of its divisors is an integer number (31555464).

Almost surely, 2^189146229 is an apocalyptic number.

It is an amenable number.

189146229 is a deficient number, since it is larger than the sum of its proper divisors (63297483).

189146229 is a wasteful number, since it uses less digits than its factorization.

189146229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62187.

The product of its digits is 62208, while the sum is 42.

The square root of 189146229 is about 13753.0443538876. The cubic root of 189146229 is about 574.0273198601.

The spelling of 189146229 in words is "one hundred eighty-nine million, one hundred forty-six thousand, two hundred twenty-nine".