130328784 has 160 divisors (see below), whose sum is σ = 394617600. Its totient is φ = 41126400.

The previous prime is 130328773. The next prime is 130328789. The reversal of 130328784 is 487823031.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130328789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1265277 + ... + 1265379.

It is an arithmetic number, because the mean of its divisors is an integer number (2466360).

Almost surely, 2^130328784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130328784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197308800).

130328784 is an abundant number, since it is smaller than the sum of its proper divisors (264288816).

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

130328784 is a wasteful number, since it uses less digits than its factorization.

130328784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 130328784 is about 11416.1632784399. The cubic root of 130328784 is about 507.0064072577.

The spelling of 130328784 in words is "one hundred thirty million, three hundred twenty-eight thousand, seven hundred eighty-four".