1138385199 has 24 divisors (see below), whose sum is σ = 1767123120. Its totient is φ = 649966464.

The previous prime is 1138385147. The next prime is 1138385239. The reversal of 1138385199 is 9915838311.

1138385199 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1138385199 - 2¹¹ = 1138383151 is a prime.

It is a super-2 number, since 2×1138385199² = 2591841722604539202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138383199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234117 + ... + 238929.

It is an arithmetic number, because the mean of its divisors is an integer number (73630130).

Almost surely, 2^1138385199 is an apocalyptic number.

1138385199 is a deficient number, since it is larger than the sum of its proper divisors (628737921).

1138385199 is a wasteful number, since it uses less digits than its factorization.

1138385199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6439 (or 6432 counting only the distinct ones).

The product of its digits is 233280, while the sum is 48.

The square root of 1138385199 is about 33739.9644190684. The cubic root of 1138385199 is about 1044.1504504554.

The spelling of 1138385199 in words is "one billion, one hundred thirty-eight million, three hundred eighty-five thousand, one hundred ninety-nine".