130544443 has 8 divisors (see below), whose sum is σ = 132941312. Its totient is φ = 128169216.

The previous prime is 130544417. The next prime is 130544471. The reversal of 130544443 is 344445031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130544443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130541443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7021 + ... + 17617.

It is an arithmetic number, because the mean of its divisors is an integer number (16617664).

Almost surely, 2^130544443 is an apocalyptic number.

130544443 is a deficient number, since it is larger than the sum of its proper divisors (2396869).

130544443 is a wasteful number, since it uses less digits than its factorization.

130544443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10821.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 130544443 is about 11425.6047104738. The cubic root of 130544443 is about 507.2859061198.

Adding to 130544443 its reverse (344445031), we get a palindrome (474989474).

The spelling of 130544443 in words is "one hundred thirty million, five hundred forty-four thousand, four hundred forty-three".