130428186 has 16 divisors (see below), whose sum is σ = 298121664. Its totient is φ = 37265184.

The previous prime is 130428161. The next prime is 130428203. The reversal of 130428186 is 681824031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552675 + ... + 1552758.

It is an arithmetic number, because the mean of its divisors is an integer number (18632604).

Almost surely, 2^130428186 is an apocalyptic number.

130428186 is an abundant number, since it is smaller than the sum of its proper divisors (167693478).

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

130428186 is a wasteful number, since it uses less digits than its factorization.

130428186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105445.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 130428186 is about 11420.5160128604. The cubic root of 130428186 is about 507.1352727368.

The spelling of 130428186 in words is "one hundred thirty million, four hundred twenty-eight thousand, one hundred eighty-six".