1138488882 has 8 divisors (see below), whose sum is σ = 2276977776. Its totient is φ = 379496292.

The previous prime is 1138488863. The next prime is 1138488917. The reversal of 1138488882 is 2888848311.

It is a sphenic number, since it is the product of 3 distinct primes.

1138488882 is an admirable 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, 94874068 + ... + 94874079.

It is an arithmetic number, because the mean of its divisors is an integer number (284622222).

Almost surely, 2^1138488882 is an apocalyptic number.

1138488882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1138488882 is a wasteful number, since it uses less digits than its factorization.

1138488882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189748152.

The product of its digits is 786432, while the sum is 51.

The square root of 1138488882 is about 33741.5008854082. The cubic root of 1138488882 is about 1044.1821495571.

The spelling of 1138488882 in words is "one billion, one hundred thirty-eight million, four hundred eighty-eight thousand, eight hundred eighty-two".