130002403 has 4 divisors (see below), whose sum is σ = 130112568. Its totient is φ = 129892240.

The previous prime is 130002401. The next prime is 130002419. The reversal of 130002403 is 304200031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304200031 = 4001 ⋅76031.

It is a cyclic number.

It is not a de Polignac number, because 130002403 - 2¹ = 130002401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130002401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53293 + ... + 55678.

It is an arithmetic number, because the mean of its divisors is an integer number (32528142).

Almost surely, 2^130002403 is an apocalyptic number.

130002403 is a deficient number, since it is larger than the sum of its proper divisors (110165).

130002403 is a wasteful number, since it uses less digits than its factorization.

130002403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110164.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 130002403 is about 11401.8596290254. The cubic root of 130002403 is about 506.5828232012.

Adding to 130002403 its reverse (304200031), we get a palindrome (434202434).

The spelling of 130002403 in words is "one hundred thirty million, two thousand, four hundred three".