130204185 has 16 divisors (see below), whose sum is σ = 215047680. Its totient is φ = 67201920.

The previous prime is 130204181. The next prime is 130204201. The reversal of 130204185 is 581402031.

It is not a de Polignac number, because 130204185 - 2² = 130204181 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130204181) 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, 139540 + ... + 140469.

It is an arithmetic number, because the mean of its divisors is an integer number (13440480).

Almost surely, 2^130204185 is an apocalyptic number.

130204185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130204185 is a deficient number, since it is larger than the sum of its proper divisors (84843495).

130204185 is a wasteful number, since it uses less digits than its factorization.

130204185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280048.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 130204185 is about 11410.7048423838. The cubic root of 130204185 is about 506.8447836270.

It can be divided in two parts, 13020 and 4185, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 130204185 in words is "one hundred thirty million, two hundred four thousand, one hundred eighty-five".