1346740687 has 2 divisors, whose sum is σ = 1346740688. Its totient is φ = 1346740686.

The previous prime is 1346740649. The next prime is 1346740711. The reversal of 1346740687 is 7860476431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1346740687 - 2²⁷ = 1212522959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1346740987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673370343 + 673370344.

It is an arithmetic number, because the mean of its divisors is an integer number (673370344).

Almost surely, 2^1346740687 is an apocalyptic number.

1346740687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346740687 is an equidigital number, since it uses as much as digits as its factorization.

1346740687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 1346740687 is about 36697.9657065620. The cubic root of 1346740687 is about 1104.3192949309.

The spelling of 1346740687 in words is "one billion, three hundred forty-six million, seven hundred forty thousand, six hundred eighty-seven".