1138330888 has 32 divisors (see below), whose sum is σ = 2301516000. Its totient is φ = 526055040.

The previous prime is 1138330867. The next prime is 1138330889. The reversal of 1138330888 is 8880338311.

It is not an unprimeable number, because it can be changed into a prime (1138330889) by changing a digit.

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, 85098 + ... + 97561.

It is an arithmetic number, because the mean of its divisors is an integer number (71922375).

Almost surely, 2^1138330888 is an apocalyptic number.

It is an amenable number.

1138330888 is an abundant number, since it is smaller than the sum of its proper divisors (1163185112).

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

1138330888 is a wasteful number, since it uses less digits than its factorization.

1138330888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182725 (or 182721 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 1138330888 is about 33739.1595627396. The cubic root of 1138330888 is about 1044.1338451338.

The spelling of 1138330888 in words is "one billion, one hundred thirty-eight million, three hundred thirty thousand, eight hundred eighty-eight".