1343685587 has 2 divisors, whose sum is σ = 1343685588. Its totient is φ = 1343685586.

The previous prime is 1343685509. The next prime is 1343685659. The reversal of 1343685587 is 7855863431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1343685587 - 2⁸ = 1343685331 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343685787) 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, 671842793 + 671842794.

It is an arithmetic number, because the mean of its divisors is an integer number (671842794).

Almost surely, 2^1343685587 is an apocalyptic number.

1343685587 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343685587 is an equidigital number, since it uses as much as digits as its factorization.

1343685587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 50.

The square root of 1343685587 is about 36656.3171499811. The cubic root of 1343685587 is about 1103.4836081240.

The spelling of 1343685587 in words is "one billion, three hundred forty-three million, six hundred eighty-five thousand, five hundred eighty-seven".