130508784 has 120 divisors (see below), whose sum is σ = 427270272. Its totient is φ = 36408960.

The previous prime is 130508773. The next prime is 130508789. The reversal of 130508784 is 487805031.

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 (130508789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41839 + ... + 44849.

Almost surely, 2^130508784 is an apocalyptic number.

130508784 is a gapful number since it is divisible by the number (14) 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 130508784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213635136).

130508784 is an abundant number, since it is smaller than the sum of its proper divisors (296761488).

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

130508784 is a wasteful number, since it uses less digits than its factorization.

130508784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075 (or 3066 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 130508784 is about 11424.0441175619. The cubic root of 130508784 is about 507.2397125145.

The spelling of 130508784 in words is "one hundred thirty million, five hundred eight thousand, seven hundred eighty-four".