1138282688 has 28 divisors (see below), whose sum is σ = 2272326672. Its totient is φ = 565728000.

The previous prime is 1138282679. The next prime is 1138282699. The reversal of 1138282688 is 8862828311.

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, 42563 + ... + 63938.

It is an arithmetic number, because the mean of its divisors is an integer number (81154524).

Almost surely, 2^1138282688 is an apocalyptic number.

It is an amenable number.

1138282688 is a deficient number, since it is larger than the sum of its proper divisors (1134043984).

1138282688 is a wasteful number, since it uses less digits than its factorization.

1138282688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106680 (or 106670 counting only the distinct ones).

The product of its digits is 294912, while the sum is 47.

The square root of 1138282688 is about 33738.4452516710. The cubic root of 1138282688 is about 1044.1191077781.

The spelling of 1138282688 in words is "one billion, one hundred thirty-eight million, two hundred eighty-two thousand, six hundred eighty-eight".