130404403 has 2 divisors, whose sum is σ = 130404404. Its totient is φ = 130404402.

The previous prime is 130404361. The next prime is 130404427. The reversal of 130404403 is 304404031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130404403 - 2⁹ = 130403891 is a prime.

It is not a weakly prime, because it can be changed into another prime (130404203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65202201 + 65202202.

It is an arithmetic number, because the mean of its divisors is an integer number (65202202).

Almost surely, 2^130404403 is an apocalyptic number.

130404403 is a deficient number, since it is larger than the sum of its proper divisors (1).

130404403 is an equidigital number, since it uses as much as digits as its factorization.

130404403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 130404403 is about 11419.4747252227. The cubic root of 130404403 is about 507.1044462421.

Adding to 130404403 its reverse (304404031), we get a palindrome (434808434).

The spelling of 130404403 in words is "one hundred thirty million, four hundred four thousand, four hundred three".