13340034403 has 4 divisors (see below), whose sum is σ = 13489922520. Its totient is φ = 13190146288.

The previous prime is 13340034377. The next prime is 13340034443. The reversal of 13340034403 is 30443004331.

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

It is a cyclic number.

It is not a de Polignac number, because 13340034403 - 2²¹ = 13337937251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13340034443) 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, 74943925 + ... + 74944102.

It is an arithmetic number, because the mean of its divisors is an integer number (3372480630).

Almost surely, 2^13340034403 is an apocalyptic number.

13340034403 is a deficient number, since it is larger than the sum of its proper divisors (149888117).

13340034403 is an equidigital number, since it uses as much as digits as its factorization.

13340034403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149888116.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 13340034403 its reverse (30443004331), we get a palindrome (43783038734).

The spelling of 13340034403 in words is "thirteen billion, three hundred forty million, thirty-four thousand, four hundred three".