1343190509 has 2 divisors, whose sum is σ = 1343190510. Its totient is φ = 1343190508.

The previous prime is 1343190491. The next prime is 1343190517. The reversal of 1343190509 is 9050913431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1270566025 + 72624484 = 35645^2 + 8522^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343190509 - 2¹⁶ = 1343124973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343190529) 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, 671595254 + 671595255.

It is an arithmetic number, because the mean of its divisors is an integer number (671595255).

Almost surely, 2^1343190509 is an apocalyptic number.

It is an amenable number.

1343190509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343190509 is an equidigital number, since it uses as much as digits as its factorization.

1343190509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 1343190509 is about 36649.5635581108. The cubic root of 1343190509 is about 1103.3480661063.

The spelling of 1343190509 in words is "one billion, three hundred forty-three million, one hundred ninety thousand, five hundred nine".