1340238716 has 12 divisors (see below), whose sum is σ = 2408807688. Its totient is φ = 652007952.

The previous prime is 1340238667. The next prime is 1340238751. The reversal of 1340238716 is 6178320431.

It is a super-3 number, since 3×1340238716³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4527686 + ... + 4527981.

It is an arithmetic number, because the mean of its divisors is an integer number (200733974).

Almost surely, 2^1340238716 is an apocalyptic number.

It is an amenable number.

1340238716 is a deficient number, since it is larger than the sum of its proper divisors (1068568972).

1340238716 is a wasteful number, since it uses less digits than its factorization.

1340238716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9055708 (or 9055706 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1340238716 is about 36609.2709023275. The cubic root of 1340238716 is about 1102.5392347588.

The spelling of 1340238716 in words is "one billion, three hundred forty million, two hundred thirty-eight thousand, seven hundred sixteen".