13146235603 has 24 divisors (see below), whose sum is σ = 14548766400. Its totient is φ = 11844662544.

The previous prime is 13146235591. The next prime is 13146235637. The reversal of 13146235603 is 30653264131.

It is a de Polignac number, because none of the positive numbers 2^k-13146235603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13146235103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1795476 + ... + 1802782.

It is an arithmetic number, because the mean of its divisors is an integer number (606198600).

Almost surely, 2^13146235603 is an apocalyptic number.

13146235603 is a deficient number, since it is larger than the sum of its proper divisors (1402530797).

13146235603 is a wasteful number, since it uses less digits than its factorization.

13146235603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7551 (or 7528 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 13146235603 its reverse (30653264131), we get a palindrome (43799499734).

The spelling of 13146235603 in words is "thirteen billion, one hundred forty-six million, two hundred thirty-five thousand, six hundred three".