1234320137 has 2 divisors, whose sum is σ = 1234320138. Its totient is φ = 1234320136.

The previous prime is 1234320083. The next prime is 1234320151. The reversal of 1234320137 is 7310234321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 903844096 + 330476041 = 30064^2 + 18179^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234320137 - 2²⁰ = 1233271561 is a prime.

It is not a weakly prime, because it can be changed into another prime (1234320167) 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 as a sum of consecutive naturals, namely, 617160068 + 617160069.

It is an arithmetic number, because the mean of its divisors is an integer number (617160069).

Almost surely, 2^1234320137 is an apocalyptic number.

It is an amenable number.

1234320137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234320137 is an equidigital number, since it uses as much as digits as its factorization.

1234320137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 1234320137 is about 35132.8925225351. The cubic root of 1234320137 is about 1072.6942139723.

Adding to 1234320137 its reverse (7310234321), we get a palindrome (8544554458).

The spelling of 1234320137 in words is "one billion, two hundred thirty-four million, three hundred twenty thousand, one hundred thirty-seven".