1328905130 has 64 divisors (see below), whose sum is σ = 2942168832. Its totient is φ = 421770240.

The previous prime is 1328905121. The next prime is 1328905157. The reversal of 1328905130 is 315098231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63437 + ... + 81743.

It is an arithmetic number, because the mean of its divisors is an integer number (45971388).

Almost surely, 2^1328905130 is an apocalyptic number.

1328905130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1328905130 is an abundant number, since it is smaller than the sum of its proper divisors (1613263702).

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

1328905130 is a wasteful number, since it uses less digits than its factorization.

1328905130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18399.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1328905130 is about 36454.1510667852. The cubic root of 1328905130 is about 1099.4225977947.

The spelling of 1328905130 in words is "one billion, three hundred twenty-eight million, nine hundred five thousand, one hundred thirty".