1338459439 has 8 divisors (see below), whose sum is σ = 1346640912. Its totient is φ = 1330291200.

The previous prime is 1338459371. The next prime is 1338459443. The reversal of 1338459439 is 9349548331.

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 1338459439 - 2¹¹ = 1338457391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1338459392 and 1338459401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338459139) 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, 262464 + ... + 267514.

It is an arithmetic number, because the mean of its divisors is an integer number (168330114).

Almost surely, 2^1338459439 is an apocalyptic number.

1338459439 is a deficient number, since it is larger than the sum of its proper divisors (8181473).

1338459439 is a wasteful number, since it uses less digits than its factorization.

1338459439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6617.

The product of its digits is 1399680, while the sum is 49.

The square root of 1338459439 is about 36584.9619242661. The cubic root of 1338459439 is about 1102.0511148849.

The spelling of 1338459439 in words is "one billion, three hundred thirty-eight million, four hundred fifty-nine thousand, four hundred thirty-nine".