1340734746668 has 12 divisors (see below), whose sum is σ = 2484302618952. Its totient is φ = 630933998400.

The previous prime is 1340734746649. The next prime is 1340734746677. The reversal of 1340734746668 is 8666474370431.

It is a super-2 number, since 2×1340734746668² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9858343658 + ... + 9858343793.

It is an arithmetic number, because the mean of its divisors is an integer number (207025218246).

Almost surely, 2^{1340734746668} is an apocalyptic number.

It is an amenable number.

1340734746668 is a deficient number, since it is larger than the sum of its proper divisors (1143567872284).

1340734746668 is a wasteful number, since it uses less digits than its factorization.

1340734746668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19716687472 (or 19716687470 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 59.

The spelling of 1340734746668 in words is "one trillion, three hundred forty billion, seven hundred thirty-four million, seven hundred forty-six thousand, six hundred sixty-eight".