1323316539 has 12 divisors (see below), whose sum is σ = 1912238016. Its totient is φ = 881850672.

The previous prime is 1323316513. The next prime is 1323316573. The reversal of 1323316539 is 9356133231.

It is not a de Polignac number, because 1323316539 - 2⁷ = 1323316411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323316639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5739 + ... + 51764.

It is an arithmetic number, because the mean of its divisors is an integer number (159353168).

Almost surely, 2^1323316539 is an apocalyptic number.

1323316539 is a deficient number, since it is larger than the sum of its proper divisors (588921477).

1323316539 is a wasteful number, since it uses less digits than its factorization.

1323316539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60066 (or 60063 counting only the distinct ones).

The product of its digits is 43740, while the sum is 36.

The square root of 1323316539 is about 36377.4179814896. The cubic root of 1323316539 is about 1097.8792580261.

The spelling of 1323316539 in words is "one billion, three hundred twenty-three million, three hundred sixteen thousand, five hundred thirty-nine".