1138433308 has 12 divisors (see below), whose sum is σ = 2005630200. Its totient is φ = 565396112.

The previous prime is 1138433297. The next prime is 1138433311. The reversal of 1138433308 is 8033348311.

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, 954466 + ... + 955657.

It is an arithmetic number, because the mean of its divisors is an integer number (167135850).

Almost surely, 2^1138433308 is an apocalyptic number.

It is an amenable number.

1138433308 is a deficient number, since it is larger than the sum of its proper divisors (867196892).

1138433308 is a wasteful number, since it uses less digits than its factorization.

1138433308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910276 (or 1910274 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1138433308 is about 33740.6773494546. The cubic root of 1138433308 is about 1044.1651591048.

The spelling of 1138433308 in words is "one billion, one hundred thirty-eight million, four hundred thirty-three thousand, three hundred eight".