130504784 has 20 divisors (see below), whose sum is σ = 267727284. Its totient is φ = 61413888.

The previous prime is 130504741. The next prime is 130504793. The reversal of 130504784 is 487405031.

It can be written as a sum of positive squares in 2 ways, for example, as 81504784 + 49000000 = 9028^2 + 7000^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 130504784.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239627 + ... + 240170.

Almost surely, 2^130504784 is an apocalyptic number.

It is an amenable number.

130504784 is an abundant number, since it is smaller than the sum of its proper divisors (137222500).

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

130504784 is a wasteful number, since it uses less digits than its factorization.

130504784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479822 (or 479816 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 130504784 is about 11423.8690468685. The cubic root of 130504784 is about 507.2345302845.

The spelling of 130504784 in words is "one hundred thirty million, five hundred four thousand, seven hundred eighty-four".