1328132808 has 64 divisors (see below), whose sum is σ = 3692304000. Its totient is φ = 442345536.

The previous prime is 1328132801. The next prime is 1328132821. The reversal of 1328132808 is 8082318231.

1328132808 is a `hidden beast` number, since 1 + 328 + 1 + 328 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1328132801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429813 + ... + 432891.

It is an arithmetic number, because the mean of its divisors is an integer number (57692250).

Almost surely, 2^1328132808 is an apocalyptic number.

1328132808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1328132808 is an abundant number, since it is smaller than the sum of its proper divisors (2364171192).

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

1328132808 is a wasteful number, since it uses less digits than its factorization.

1328132808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091 (or 5081 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1328132808 is about 36443.5564675019. The cubic root of 1328132808 is about 1099.2095721025.

The spelling of 1328132808 in words is "one billion, three hundred twenty-eight million, one hundred thirty-two thousand, eight hundred eight".