1138588268 has 24 divisors (see below), whose sum is σ = 2009448000. Its totient is φ = 564474368.

The previous prime is 1138588261. The next prime is 1138588291. The reversal of 1138588268 is 8628858311.

It is not an unprimeable number, because it can be changed into a prime (1138588261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427196 + ... + 429852.

It is an arithmetic number, because the mean of its divisors is an integer number (83727000).

Almost surely, 2^1138588268 is an apocalyptic number.

It is an amenable number.

1138588268 is a deficient number, since it is larger than the sum of its proper divisors (870859732).

1138588268 is a wasteful number, since it uses less digits than its factorization.

1138588268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529 (or 3527 counting only the distinct ones).

The product of its digits is 737280, while the sum is 50.

The square root of 1138588268 is about 33742.9736093309. The cubic root of 1138588268 is about 1044.2125331264.

The spelling of 1138588268 in words is "one billion, one hundred thirty-eight million, five hundred eighty-eight thousand, two hundred sixty-eight".