1338016403 has 4 divisors (see below), whose sum is σ = 1339827720. Its totient is φ = 1336205088.

The previous prime is 1338016397. The next prime is 1338016447. The reversal of 1338016403 is 3046108331.

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 1338016403 - 2¹² = 1338012307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338016003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904550 + ... + 906027.

It is an arithmetic number, because the mean of its divisors is an integer number (334956930).

Almost surely, 2^1338016403 is an apocalyptic number.

1338016403 is a deficient number, since it is larger than the sum of its proper divisors (1811317).

1338016403 is an equidigital number, since it uses as much as digits as its factorization.

1338016403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811316.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1338016403 is about 36578.9065309503. The cubic root of 1338016403 is about 1101.9295068670.

The spelling of 1338016403 in words is "one billion, three hundred thirty-eight million, sixteen thousand, four hundred three".