130405512 has 32 divisors (see below), whose sum is σ = 343173600. Its totient is φ = 41180544.

The previous prime is 130405511. The next prime is 130405523. The reversal of 130405512 is 215504031.

It is not an unprimeable number, because it can be changed into a prime (130405511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 142533 + ... + 143444.

It is an arithmetic number, because the mean of its divisors is an integer number (10724175).

Almost surely, 2^130405512 is an apocalyptic number.

130405512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130405512 is an abundant number, since it is smaller than the sum of its proper divisors (212768088).

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

130405512 is a wasteful number, since it uses less digits than its factorization.

130405512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286005 (or 286001 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 130405512 is about 11419.5232825193. The cubic root of 130405512 is about 507.1058837632.

Adding to 130405512 its reverse (215504031), we get a palindrome (345909543).

The spelling of 130405512 in words is "one hundred thirty million, four hundred five thousand, five hundred twelve".