1338317128 has 16 divisors (see below), whose sum is σ = 2523366000. Its totient is φ = 665419536.

The previous prime is 1338317111. The next prime is 1338317137. The reversal of 1338317128 is 8217138331.

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, 465858 + ... + 468721.

It is an arithmetic number, because the mean of its divisors is an integer number (157710375).

Almost surely, 2^1338317128 is an apocalyptic number.

It is an amenable number.

1338317128 is a deficient number, since it is larger than the sum of its proper divisors (1185048872).

1338317128 is a wasteful number, since it uses less digits than its factorization.

1338317128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934764 (or 934760 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 1338317128 is about 36583.0169340912. The cubic root of 1338317128 is about 1102.0120551644.

The spelling of 1338317128 in words is "one billion, three hundred thirty-eight million, three hundred seventeen thousand, one hundred twenty-eight".