130003403 has 4 divisors (see below), whose sum is σ = 137650680. Its totient is φ = 122356128.

The previous prime is 130003397. The next prime is 130003409. The reversal of 130003403 is 304300031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (130003397) and next prime (130003409).

It is a cyclic number.

It is not a de Polignac number, because 130003403 - 2⁴ = 130003387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130003409) 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 3 ways as a sum of consecutive naturals, for example, 3823613 + ... + 3823646.

It is an arithmetic number, because the mean of its divisors is an integer number (34412670).

Almost surely, 2^130003403 is an apocalyptic number.

130003403 is a deficient number, since it is larger than the sum of its proper divisors (7647277).

130003403 is an equidigital number, since it uses as much as digits as its factorization.

130003403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7647276.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 130003403 is about 11401.9034814368. The cubic root of 130003403 is about 506.5841221041.

Adding to 130003403 its reverse (304300031), we get a palindrome (434303434).

The spelling of 130003403 in words is "one hundred thirty million, three thousand, four hundred three".