1323134144 has 14 divisors (see below), whose sum is σ = 2625594444. Its totient is φ = 661567040.

The previous prime is 1323134129. The next prime is 1323134161. The reversal of 1323134144 is 4414313231.

It is a happy number.

It is a super-2 number, since 2×1323134144² = 3501367926037225472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10336922 + ... + 10337049.

Almost surely, 2^1323134144 is an apocalyptic number.

It is an amenable number.

1323134144 is a deficient number, since it is larger than the sum of its proper divisors (1302460300).

1323134144 is an equidigital number, since it uses as much as digits as its factorization.

1323134144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20673983 (or 20673973 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 1323134144 is about 36374.9109139803. The cubic root of 1323134144 is about 1097.8288148448.

Adding to 1323134144 its reverse (4414313231), we get a palindrome (5737447375).

The spelling of 1323134144 in words is "one billion, three hundred twenty-three million, one hundred thirty-four thousand, one hundred forty-four".