1323271137 has 8 divisors (see below), whose sum is σ = 1764659680. Its totient is φ = 882031680.

The previous prime is 1323271133. The next prime is 1323271139. The reversal of 1323271137 is 7311723231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1323271137 - 2² = 1323271133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323271133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14587 + ... + 53472.

It is an arithmetic number, because the mean of its divisors is an integer number (220582460).

Almost surely, 2^1323271137 is an apocalyptic number.

It is an amenable number.

1323271137 is a deficient number, since it is larger than the sum of its proper divisors (441388543).

1323271137 is an equidigital number, since it uses as much as digits as its factorization.

1323271137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74543.

The product of its digits is 5292, while the sum is 30.

The square root of 1323271137 is about 36376.7939351450. The cubic root of 1323271137 is about 1097.8667020773.

Adding to 1323271137 its reverse (7311723231), we get a palindrome (8634994368).

The spelling of 1323271137 in words is "one billion, three hundred twenty-three million, two hundred seventy-one thousand, one hundred thirty-seven".