1340803670 has 16 divisors (see below), whose sum is σ = 2425701168. Its totient is φ = 533598240.

The previous prime is 1340803657. The next prime is 1340803679. The reversal of 1340803670 is 763080431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340803679) 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 7 ways as a sum of consecutive naturals, for example, 338336 + ... + 342275.

It is an arithmetic number, because the mean of its divisors is an integer number (151606323).

Almost surely, 2^1340803670 is an apocalyptic number.

1340803670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340803670 is a deficient number, since it is larger than the sum of its proper divisors (1084897498).

1340803670 is a wasteful number, since it uses less digits than its factorization.

1340803670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680815.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1340803670 is about 36616.9860856953. The cubic root of 1340803670 is about 1102.6941316544.

The spelling of 1340803670 in words is "one billion, three hundred forty million, eight hundred three thousand, six hundred seventy".