130443500 has 96 divisors (see below), whose sum is σ = 319685184. Its totient is φ = 46080000.

The previous prime is 130443487. The next prime is 130443517. The reversal of 130443500 is 5344031.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203180 + ... + 203820.

It is an arithmetic number, because the mean of its divisors is an integer number (3330054).

Almost surely, 2^130443500 is an apocalyptic number.

130443500 is a gapful number since it is divisible by the number (10) 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 130443500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159842592).

130443500 is an abundant number, since it is smaller than the sum of its proper divisors (189241684).

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

130443500 is a wasteful number, since it uses less digits than its factorization.

130443500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 130443500 is about 11421.1864532543. The cubic root of 130443500 is about 507.1551200972.

Adding to 130443500 its reverse (5344031), we get a palindrome (135787531).

The spelling of 130443500 in words is "one hundred thirty million, four hundred forty-three thousand, five hundred".