1330994785 has 8 divisors (see below), whose sum is σ = 1607772096. Its totient is φ = 1057743600.

The previous prime is 1330994773. The next prime is 1330994809. The reversal of 1330994785 is 5874990331.

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

It is not a de Polignac number, because 1330994785 - 2⁷ = 1330994657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880699 + ... + 882208.

It is an arithmetic number, because the mean of its divisors is an integer number (200971512).

Almost surely, 2^1330994785 is an apocalyptic number.

It is an amenable number.

1330994785 is a deficient number, since it is larger than the sum of its proper divisors (276777311).

1330994785 is a wasteful number, since it uses less digits than its factorization.

1330994785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763063.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 1330994785 is about 36482.8012219457. The cubic root of 1330994785 is about 1099.9985633590.

The spelling of 1330994785 in words is "one billion, three hundred thirty million, nine hundred ninety-four thousand, seven hundred eighty-five".