255108189 has 16 divisors (see below), whose sum is σ = 389290112. Its totient is φ = 145568448.

The previous prime is 255108187. The next prime is 255108247. The reversal of 255108189 is 981801552.

It is not a de Polignac number, because 255108189 - 2¹ = 255108187 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 (255108187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7107 + ... + 23679.

It is an arithmetic number, because the mean of its divisors is an integer number (24330632).

Almost surely, 2^255108189 is an apocalyptic number.

It is an amenable number.

255108189 is a deficient number, since it is larger than the sum of its proper divisors (134181923).

255108189 is a wasteful number, since it uses less digits than its factorization.

255108189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17316.

The product of its (nonzero) digits is 28800, while the sum is 39.

The square root of 255108189 is about 15972.1065924317. The cubic root of 255108189 is about 634.2222391247. Note that the first 4 decimals are identical.

The spelling of 255108189 in words is "two hundred fifty-five million, one hundred eight thousand, one hundred eighty-nine".