1338381368 has 16 divisors (see below), whose sum is σ = 2570672160. Its totient is φ = 652868800.

The previous prime is 1338381329. The next prime is 1338381437. The reversal of 1338381368 is 8631838331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2039888 + ... + 2040543.

It is an arithmetic number, because the mean of its divisors is an integer number (160667010).

Almost surely, 2^1338381368 is an apocalyptic number.

It is an amenable number.

1338381368 is a deficient number, since it is larger than the sum of its proper divisors (1232290792).

1338381368 is a wasteful number, since it uses less digits than its factorization.

1338381368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080478 (or 4080474 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 1338381368 is about 36583.8949265930. The cubic root of 1338381368 is about 1102.0296872887.

The spelling of 1338381368 in words is "one billion, three hundred thirty-eight million, three hundred eighty-one thousand, three hundred sixty-eight".