1366375343 has 2 divisors, whose sum is σ = 1366375344. Its totient is φ = 1366375342.

The previous prime is 1366375327. The next prime is 1366375363. The reversal of 1366375343 is 3435736631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1366375343 - 2⁴ = 1366375327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1366375343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1366375363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683187671 + 683187672.

It is an arithmetic number, because the mean of its divisors is an integer number (683187672).

Almost surely, 2^1366375343 is an apocalyptic number.

1366375343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366375343 is an equidigital number, since it uses as much as digits as its factorization.

1366375343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 41.

The square root of 1366375343 is about 36964.5146458059. The cubic root of 1366375343 is about 1109.6601895193.

The spelling of 1366375343 in words is "one billion, three hundred sixty-six million, three hundred seventy-five thousand, three hundred forty-three".