1338043285 has 16 divisors (see below), whose sum is σ = 1677499776. Its totient is φ = 1022649408.

The previous prime is 1338043279. The next prime is 1338043309. The reversal of 1338043285 is 5823408331.

It is a cyclic number.

It is not a de Polignac number, because 1338043285 - 2²⁵ = 1304488853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 94222 + ... + 107488.

It is an arithmetic number, because the mean of its divisors is an integer number (104843736).

Almost surely, 2^1338043285 is an apocalyptic number.

It is an amenable number.

1338043285 is a deficient number, since it is larger than the sum of its proper divisors (339456491).

1338043285 is a wasteful number, since it uses less digits than its factorization.

1338043285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14172.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1338043285 is about 36579.2739813135. The cubic root of 1338043285 is about 1101.9368864154.

It can be divided in two parts, 13380 and 43285, that added together give a palindrome (56665).

The spelling of 1338043285 in words is "one billion, three hundred thirty-eight million, forty-three thousand, two hundred eighty-five".