1320144208 has 20 divisors (see below), whose sum is σ = 2566120480. Its totient is φ = 657919584.

The previous prime is 1320144157. The next prime is 1320144211. The reversal of 1320144208 is 8024410231.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 129468 + ... + 139291.

It is an arithmetic number, because the mean of its divisors is an integer number (128306024).

Almost surely, 2^1320144208 is an apocalyptic number.

It is an amenable number.

1320144208 is a deficient number, since it is larger than the sum of its proper divisors (1245976272).

1320144208 is a wasteful number, since it uses less digits than its factorization.

1320144208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269074 (or 269068 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1320144208 is about 36333.7887922523. The cubic root of 1320144208 is about 1097.0012561523.

Adding to 1320144208 its reverse (8024410231), we get a palindrome (9344554439).

The spelling of 1320144208 in words is "one billion, three hundred twenty million, one hundred forty-four thousand, two hundred eight".