1313546137 has 2 divisors, whose sum is σ = 1313546138. Its totient is φ = 1313546136.

The previous prime is 1313546111. The next prime is 1313546147. The reversal of 1313546137 is 7316453131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 870191001 + 443355136 = 29499^2 + 21056^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313546137 - 2⁷ = 1313546009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313546147) by changing a digit.

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 as a sum of consecutive naturals, namely, 656773068 + 656773069.

It is an arithmetic number, because the mean of its divisors is an integer number (656773069).

Almost surely, 2^1313546137 is an apocalyptic number.

It is an amenable number.

1313546137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313546137 is an equidigital number, since it uses as much as digits as its factorization.

1313546137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 1313546137 is about 36242.8770519119. The cubic root of 1313546137 is about 1095.1706014986.

Adding to 1313546137 its reverse (7316453131), we get a palindrome (8629999268).

The spelling of 1313546137 in words is "one billion, three hundred thirteen million, five hundred forty-six thousand, one hundred thirty-seven".