1340346807 has 6 divisors (see below), whose sum is σ = 1936056512. Its totient is φ = 893564532.

The previous prime is 1340346803. The next prime is 1340346817. The reversal of 1340346807 is 7086430431.

It is not a de Polignac number, because 1340346807 - 2² = 1340346803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340346803) 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 in 5 ways as a sum of consecutive naturals, for example, 74463703 + ... + 74463720.

Almost surely, 2^1340346807 is an apocalyptic number.

1340346807 is a deficient number, since it is larger than the sum of its proper divisors (595709705).

1340346807 is a wasteful number, since it uses less digits than its factorization.

1340346807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148927429 (or 148927426 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1340346807 is about 36610.7471516220. The cubic root of 1340346807 is about 1102.5688740967.

The spelling of 1340346807 in words is "one billion, three hundred forty million, three hundred forty-six thousand, eight hundred seven".