1343763137 has 2 divisors, whose sum is σ = 1343763138. Its totient is φ = 1343763136.

The previous prime is 1343763133. The next prime is 1343763139. The reversal of 1343763137 is 7313673431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 929274256 + 414488881 = 30484^2 + 20359^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343763137 - 2² = 1343763133 is a prime.

Together with 1343763139, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1343763137.

It is not a weakly prime, because it can be changed into another prime (1343763133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671881568 + 671881569.

It is an arithmetic number, because the mean of its divisors is an integer number (671881569).

Almost surely, 2^1343763137 is an apocalyptic number.

It is an amenable number.

1343763137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343763137 is an equidigital number, since it uses as much as digits as its factorization.

1343763137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 38.

The square root of 1343763137 is about 36657.3749332928. The cubic root of 1343763137 is about 1103.5048366784.

The spelling of 1343763137 in words is "one billion, three hundred forty-three million, seven hundred sixty-three thousand, one hundred thirty-seven".