189424265 has 8 divisors (see below), whose sum is σ = 227388168. Its totient is φ = 151486720.

The previous prime is 189424247. The next prime is 189424303. The reversal of 189424265 is 562424981.

It can be written as a sum of positive squares in 4 ways, for example, as 47623801 + 141800464 = 6901^2 + 11908^2 .

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

It is not a de Polignac number, because 189424265 - 2¹⁸ = 189162121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16739 + ... + 25671.

It is an arithmetic number, because the mean of its divisors is an integer number (28423521).

Almost surely, 2^189424265 is an apocalyptic number.

It is an amenable number.

189424265 is a deficient number, since it is larger than the sum of its proper divisors (37963903).

189424265 is an equidigital number, since it uses as much as digits as its factorization.

189424265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13179.

The product of its digits is 138240, while the sum is 41.

The square root of 189424265 is about 13763.1488039620. The cubic root of 189424265 is about 574.3084464836.

The spelling of 189424265 in words is "one hundred eighty-nine million, four hundred twenty-four thousand, two hundred sixty-five".