130556250 has 144 divisors (see below), whose sum is σ = 387537696. Its totient is φ = 31500000.

The previous prime is 130556227. The next prime is 130556263. The reversal of 130556250 is 52655031.

130556250 is a `hidden beast` number, since 1 + 30 + 5 + 5 + 625 + 0 = 666.

130556250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 618645 + ... + 618855.

It is an arithmetic number, because the mean of its divisors is an integer number (2691234).

Almost surely, 2^130556250 is an apocalyptic number.

130556250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130556250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193768848).

130556250 is an abundant number, since it is smaller than the sum of its proper divisors (256981446).

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

130556250 is a wasteful number, since it uses less digits than its factorization.

130556250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 130556250 is about 11426.1213891679. The cubic root of 130556250 is about 507.3011993640.

The spelling of 130556250 in words is "one hundred thirty million, five hundred fifty-six thousand, two hundred fifty".