1330921792 has 28 divisors (see below), whose sum is σ = 2642246176. Its totient is φ = 665159040.

The previous prime is 1330921763. The next prime is 1330921811. The reversal of 1330921792 is 2971290331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221743 + ... + 227665.

Almost surely, 2^1330921792 is an apocalyptic number.

It is an amenable number.

1330921792 is a deficient number, since it is larger than the sum of its proper divisors (1311324384).

1330921792 is an equidigital number, since it uses as much as digits as its factorization.

1330921792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9446 (or 9436 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 1330921792 is about 36481.8008327440. The cubic root of 1330921792 is about 1099.9784546744.

The spelling of 1330921792 in words is "one billion, three hundred thirty million, nine hundred twenty-one thousand, seven hundred ninety-two".