1306044004 has 24 divisors (see below), whose sum is σ = 2304502200. Its totient is φ = 647629056.

The previous prime is 1306043993. The next prime is 1306044079. The reversal of 1306044004 is 4004406031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 193154404 + 1112889600 = 13898^2 + 33360^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509494 + ... + 512050.

It is an arithmetic number, because the mean of its divisors is an integer number (96020925).

Almost surely, 2^1306044004 is an apocalyptic number.

It is an amenable number.

1306044004 is a deficient number, since it is larger than the sum of its proper divisors (998458196).

1306044004 is a wasteful number, since it uses less digits than its factorization.

1306044004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567 (or 3565 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1306044004 is about 36139.2308163857. The cubic root of 1306044004 is about 1093.0816488469.

The spelling of 1306044004 in words is "one billion, three hundred six million, forty-four thousand, four".