1327131137 has 4 divisors (see below), whose sum is σ = 1332064980. Its totient is φ = 1322197296.

The previous prime is 1327131121. The next prime is 1327131139. The reversal of 1327131137 is 7311317231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 219306481 + 1107824656 = 14809^2 + 33284^2 .

It is a cyclic number.

It is not a de Polignac number, because 1327131137 - 2⁴ = 1327131121 is a prime.

It is a super-2 number, since 2×1327131137² = 3522554109589825538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1327131139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2466518 + ... + 2467055.

It is an arithmetic number, because the mean of its divisors is an integer number (333016245).

Almost surely, 2^1327131137 is an apocalyptic number.

It is an amenable number.

1327131137 is a deficient number, since it is larger than the sum of its proper divisors (4933843).

1327131137 is an equidigital number, since it uses as much as digits as its factorization.

1327131137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933842.

The product of its digits is 2646, while the sum is 29.

The square root of 1327131137 is about 36429.8111029964. The cubic root of 1327131137 is about 1098.9331631817.

Adding to 1327131137 its reverse (7311317231), we get a palindrome (8638448368).

The spelling of 1327131137 in words is "one billion, three hundred twenty-seven million, one hundred thirty-one thousand, one hundred thirty-seven".