130544512 has 64 divisors (see below), whose sum is σ = 302940000. Its totient is φ = 54872064.

The previous prime is 130544509. The next prime is 130544537. The reversal of 130544512 is 215445031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×130544512² = 34083739226636288, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46114 + ... + 48862.

Almost surely, 2^130544512 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 130544512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151470000).

130544512 is an abundant number, since it is smaller than the sum of its proper divisors (172395488).

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

130544512 is an equidigital number, since it uses as much as digits as its factorization.

130544512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823 (or 2811 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 130544512 is about 11425.6077300072. The cubic root of 130544512 is about 507.2859954961.

Adding to 130544512 its reverse (215445031), we get a palindrome (345989543).

The spelling of 130544512 in words is "one hundred thirty million, five hundred forty-four thousand, five hundred twelve".