1330143244 has 12 divisors (see below), whose sum is σ = 2342032504. Its totient is φ = 660991104.

The previous prime is 1330143239. The next prime is 1330143271. The reversal of 1330143244 is 4423410331.

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, 1019397 + ... + 1020700.

Almost surely, 2^1330143244 is an apocalyptic number.

It is an amenable number.

1330143244 is a deficient number, since it is larger than the sum of its proper divisors (1011889260).

1330143244 is a wasteful number, since it uses less digits than its factorization.

1330143244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040264 (or 2040262 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1330143244 is about 36471.1289104135. The cubic root of 1330143244 is about 1099.7639284035.

Adding to 1330143244 its reverse (4423410331), we get a palindrome (5753553575).

The spelling of 1330143244 in words is "one billion, three hundred thirty million, one hundred forty-three thousand, two hundred forty-four".