13004136603 has 8 divisors (see below), whose sum is σ = 19265387600. Its totient is φ = 8669424384.

The previous prime is 13004136571. The next prime is 13004136623. The reversal of 13004136603 is 30663140031.

13004136603 is a `hidden beast` number, since 13 + 0 + 0 + 41 + 3 + 6 + 603 = 666.

It is not a de Polignac number, because 13004136603 - 2⁵ = 13004136571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 481634689 = 13004136603 / (1 + 3 + 0 + 0 + 4 + 1 + 3 + 6 + 6 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13004136623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240817318 + ... + 240817371.

It is an arithmetic number, because the mean of its divisors is an integer number (2408173450).

Almost surely, 2^13004136603 is an apocalyptic number.

13004136603 is a deficient number, since it is larger than the sum of its proper divisors (6261250997).

13004136603 is an equidigital number, since it uses as much as digits as its factorization.

13004136603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481634698 (or 481634692 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 13004136603 its reverse (30663140031), we get a palindrome (43667276634).

The spelling of 13004136603 in words is "thirteen billion, four million, one hundred thirty-six thousand, six hundred three".