130523904 has 108 divisors (see below), whose sum is σ = 430147536. Its totient is φ = 37287936.

The previous prime is 130523849. The next prime is 130523959. The reversal of 130523904 is 409325031.

130523904 is a `hidden beast` number, since 130 + 523 + 9 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (130523849) and next prime (130523959).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12082 + ... + 20174.

Almost surely, 2^130523904 is an apocalyptic number.

130523904 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 130523904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215073768).

130523904 is an abundant number, since it is smaller than the sum of its proper divisors (299623632).

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

130523904 is an equidigital number, since it uses as much as digits as its factorization.

130523904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8122 (or 8105 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 130523904 is about 11424.7058605463. The cubic root of 130523904 is about 507.2593003870.

Adding to 130523904 its reverse (409325031), we get a palindrome (539848935).

The spelling of 130523904 in words is "one hundred thirty million, five hundred twenty-three thousand, nine hundred four".