1330384305 has 16 divisors (see below), whose sum is σ = 2130211584. Its totient is φ = 709006080.

The previous prime is 1330384301. The next prime is 1330384337. The reversal of 1330384305 is 5034830331.

It is not a de Polignac number, because 1330384305 - 2² = 1330384301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1330384301) 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, 12169 + ... + 52998.

It is an arithmetic number, because the mean of its divisors is an integer number (133138224).

Almost surely, 2^1330384305 is an apocalyptic number.

1330384305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1330384305 is a deficient number, since it is larger than the sum of its proper divisors (799827279).

1330384305 is a wasteful number, since it uses less digits than its factorization.

1330384305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66536.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1330384305 is about 36474.4335802491. The cubic root of 1330384305 is about 1099.8303608924.

The spelling of 1330384305 in words is "one billion, three hundred thirty million, three hundred eighty-four thousand, three hundred five".