130544403 has 16 divisors (see below), whose sum is σ = 193104000. Its totient is φ = 77775680.

The previous prime is 130544371. The next prime is 130544417. The reversal of 130544403 is 304445031.

It is a cyclic number.

It is not a de Polignac number, because 130544403 - 2⁵ = 130544371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130544203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31578 + ... + 35471.

It is an arithmetic number, because the mean of its divisors is an integer number (12069000).

Almost surely, 2^130544403 is an apocalyptic number.

130544403 is a deficient number, since it is larger than the sum of its proper divisors (62559597).

130544403 is a wasteful number, since it uses less digits than its factorization.

130544403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67122.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 130544403 is about 11425.6029600192. The cubic root of 130544403 is about 507.2858543075.

Adding to 130544403 its reverse (304445031), we get a palindrome (434989434).

The spelling of 130544403 in words is "one hundred thirty million, five hundred forty-four thousand, four hundred three".