130185900 has 144 divisors (see below), whose sum is σ = 450839200. Its totient is φ = 32037120.

The previous prime is 130185893. The next prime is 130185953. The reversal of 130185900 is 9581031.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33246 + ... + 36954.

Almost surely, 2^130185900 is an apocalyptic number.

130185900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130185900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225419600).

130185900 is an abundant number, since it is smaller than the sum of its proper divisors (320653300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130185900 is a wasteful number, since it uses less digits than its factorization.

130185900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745 (or 3732 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 130185900 is about 11409.9035929319. The cubic root of 130185900 is about 506.8210565588.

The spelling of 130185900 in words is "one hundred thirty million, one hundred eighty-five thousand, nine hundred".