189913255 has 8 divisors (see below), whose sum is σ = 260452512. Its totient is φ = 130226208.

The previous prime is 189913253. The next prime is 189913259. The reversal of 189913255 is 552319981.

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 189913255 - 2¹ = 189913253 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 (189913253) 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, 2713012 + ... + 2713081.

It is an arithmetic number, because the mean of its divisors is an integer number (32556564).

Almost surely, 2^189913255 is an apocalyptic number.

189913255 is a deficient number, since it is larger than the sum of its proper divisors (70539257).

189913255 is an equidigital number, since it uses as much as digits as its factorization.

189913255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426105.

The product of its digits is 97200, while the sum is 43.

The square root of 189913255 is about 13780.9018209985. The cubic root of 189913255 is about 574.8022054403.

The spelling of 189913255 in words is "one hundred eighty-nine million, nine hundred thirteen thousand, two hundred fifty-five".