285130190 has 32 divisors (see below), whose sum is σ = 521640000. Its totient is φ = 112197888.

The previous prime is 285130163. The next prime is 285130193. The reversal of 285130190 is 91031582.

285130190 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×285130190² = 162598450498872200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285130193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203111 + ... + 204509.

It is an arithmetic number, because the mean of its divisors is an integer number (16301250).

Almost surely, 2^285130190 is an apocalyptic number.

285130190 is a deficient number, since it is larger than the sum of its proper divisors (236509810).

285130190 is a wasteful number, since it uses less digits than its factorization.

285130190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 285130190 is about 16885.7984709045. The cubic root of 285130190 is about 658.1846271327.

The spelling of 285130190 in words is "two hundred eighty-five million, one hundred thirty thousand, one hundred ninety".