1330131844 has 12 divisors (see below), whose sum is σ = 2337897100. Its totient is φ = 662161248.

The previous prime is 1330131827. The next prime is 1330131863. The reversal of 1330131844 is 4481310331.

It can be written as a sum of positive squares in 2 ways, for example, as 1282356100 + 47775744 = 35810^2 + 6912^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725139 + ... + 726970.

Almost surely, 2^1330131844 is an apocalyptic number.

It is an amenable number.

1330131844 is a deficient number, since it is larger than the sum of its proper divisors (1007765256).

1330131844 is a wasteful number, since it uses less digits than its factorization.

1330131844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452342 (or 1452340 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1330131844 is about 36470.9726220730. The cubic root of 1330131844 is about 1099.7607865503.

The spelling of 1330131844 in words is "one billion, three hundred thirty million, one hundred thirty-one thousand, eight hundred forty-four".