130532544 has 168 divisors, whose sum is σ = 399409920. Its totient is φ = 40668672.

The previous prime is 130532543. The next prime is 130532551. The reversal of 130532544 is 445235031.

It is a super-2 number, since 2×130532544² = 34077490086223872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130532543) 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 23 ways as a sum of consecutive naturals, for example, 781549 + ... + 781715.

It is an arithmetic number, because the mean of its divisors is an integer number (2377440).

Almost surely, 2^130532544 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 130532544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199704960).

130532544 is an abundant number, since it is smaller than the sum of its proper divisors (268877376).

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

130532544 is a wasteful number, since it uses less digits than its factorization.

130532544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 130532544 is about 11425.0839821859. The cubic root of 130532544 is about 507.2704927779.

Adding to 130532544 its reverse (445235031), we get a palindrome (575767575).

The spelling of 130532544 in words is "one hundred thirty million, five hundred thirty-two thousand, five hundred forty-four".