1340740314 has 12 divisors (see below), whose sum is σ = 2904937386. Its totient is φ = 446913432.

The previous prime is 1340740307. The next prime is 1340740319. The reversal of 1340740314 is 4130470431.

1340740314 is a `hidden beast` number, since 1 + 340 + 7 + 4 + 0 + 314 = 666.

It can be written as a sum of positive squares in only one way, i.e., 729810225 + 610930089 = 27015^2 + 24717^2 .

It is not an unprimeable number, because it can be changed into a prime (1340740319) 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, 37242769 + ... + 37242804.

Almost surely, 2^1340740314 is an apocalyptic number.

1340740314 is an abundant number, since it is smaller than the sum of its proper divisors (1564197072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340740314 is a wasteful number, since it uses less digits than its factorization.

1340740314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74485581 (or 74485578 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 1340740314 is about 36616.1209578513. The cubic root of 1340740314 is about 1102.6767631185.

The spelling of 1340740314 in words is "one billion, three hundred forty million, seven hundred forty thousand, three hundred fourteen".