1338740559 has 12 divisors (see below), whose sum is σ = 2082485496. Its totient is φ = 823840272.

The previous prime is 1338740519. The next prime is 1338740561. The reversal of 1338740559 is 9550478331.

1338740559 is a `hidden beast` number, since 13 + 3 + 87 + 4 + 0 + 559 = 666.

It is not a de Polignac number, because 1338740559 - 2¹⁷ = 1338609487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338740519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5720997 + ... + 5721230.

It is an arithmetic number, because the mean of its divisors is an integer number (173540458).

Almost surely, 2^1338740559 is an apocalyptic number.

1338740559 is a deficient number, since it is larger than the sum of its proper divisors (743744937).

1338740559 is a wasteful number, since it uses less digits than its factorization.

1338740559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11442246 (or 11442243 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 1338740559 is about 36588.8037383022. The cubic root of 1338740559 is about 1102.1282650057.

The spelling of 1338740559 in words is "one billion, three hundred thirty-eight million, seven hundred forty thousand, five hundred fifty-nine".