1343042137 has 2 divisors, whose sum is σ = 1343042138. Its totient is φ = 1343042136.

The previous prime is 1343042131. The next prime is 1343042153. The reversal of 1343042137 is 7312403431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 959822361 + 383219776 = 30981^2 + 19576^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343042137 - 2⁷ = 1343042009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343042131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671521068 + 671521069.

It is an arithmetic number, because the mean of its divisors is an integer number (671521069).

Almost surely, 2^1343042137 is an apocalyptic number.

It is an amenable number.

1343042137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343042137 is an equidigital number, since it uses as much as digits as its factorization.

1343042137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 1343042137 is about 36647.5393034785. The cubic root of 1343042137 is about 1103.3074384648.

Adding to 1343042137 its reverse (7312403431), we get a palindrome (8655445568).

The spelling of 1343042137 in words is "one billion, three hundred forty-three million, forty-two thousand, one hundred thirty-seven".