1138771824 has 40 divisors (see below), whose sum is σ = 2946656640. Its totient is φ = 378967488.

The previous prime is 1138771819. The next prime is 1138771841. The reversal of 1138771824 is 4281778311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10549 + ... + 48875.

It is an arithmetic number, because the mean of its divisors is an integer number (73666416).

Almost surely, 2^1138771824 is an apocalyptic number.

It is an amenable number.

1138771824 is an abundant number, since it is smaller than the sum of its proper divisors (1807884816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1138771824 is a wasteful number, since it uses less digits than its factorization.

1138771824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38957 (or 38951 counting only the distinct ones).

The product of its digits is 75264, while the sum is 42.

The square root of 1138771824 is about 33745.6934141232. The cubic root of 1138771824 is about 1044.2686438915.

The spelling of 1138771824 in words is "one billion, one hundred thirty-eight million, seven hundred seventy-one thousand, eight hundred twenty-four".