1338468427 has 8 divisors (see below), whose sum is σ = 1350865152. Its totient is φ = 1326124200.

The previous prime is 1338468421. The next prime is 1338468437. The reversal of 1338468427 is 7248648331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1338468427 - 2²⁷ = 1204250699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338468421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39052 + ... + 64822.

It is an arithmetic number, because the mean of its divisors is an integer number (168858144).

Almost surely, 2^1338468427 is an apocalyptic number.

1338468427 is a deficient number, since it is larger than the sum of its proper divisors (12396725).

1338468427 is a wasteful number, since it uses less digits than its factorization.

1338468427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26249.

The product of its digits is 774144, while the sum is 46.

The square root of 1338468427 is about 36585.0847614161. The cubic root of 1338468427 is about 1102.0535817044.

The spelling of 1338468427 in words is "one billion, three hundred thirty-eight million, four hundred sixty-eight thousand, four hundred twenty-seven".