1328139848 has 16 divisors (see below), whose sum is σ = 2846014080. Its totient is φ = 569202768.

The previous prime is 1328139847. The next prime is 1328139871. The reversal of 1328139848 is 8489318231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1328139847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11858336 + ... + 11858447.

It is an arithmetic number, because the mean of its divisors is an integer number (177875880).

Almost surely, 2^1328139848 is an apocalyptic number.

It is an amenable number.

1328139848 is an abundant number, since it is smaller than the sum of its proper divisors (1517874232).

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

1328139848 is a wasteful number, since it uses less digits than its factorization.

1328139848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23716796 (or 23716792 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 1328139848 is about 36443.6530550931. The cubic root of 1328139848 is about 1099.2115142832.

The spelling of 1328139848 in words is "one billion, three hundred twenty-eight million, one hundred thirty-nine thousand, eight hundred forty-eight".