1340670007 has 2 divisors, whose sum is σ = 1340670008. Its totient is φ = 1340670006.

The previous prime is 1340669899. The next prime is 1340670011. The reversal of 1340670007 is 7000760431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1340670007 - 2⁷ = 1340669879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340670047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670335003 + 670335004.

It is an arithmetic number, because the mean of its divisors is an integer number (670335004).

Almost surely, 2^1340670007 is an apocalyptic number.

1340670007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340670007 is an equidigital number, since it uses as much as digits as its factorization.

1340670007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 1340670007 is about 36615.1608899920. The cubic root of 1340670007 is about 1102.6574883816.

The spelling of 1340670007 in words is "one billion, three hundred forty million, six hundred seventy thousand, seven".