1340668146748 has 24 divisors (see below), whose sum is σ = 2681947183104. Its totient is φ = 574441158000.

The previous prime is 1340668146721. The next prime is 1340668146791. The reversal of 1340668146748 is 8476418660431.

It is a junction number, because it is equal to n+sod(n) for n = 1340668146692 and 1340668146701.

It is a congruent number.

It is an unprimeable number.

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, 5329228 + ... + 5575123.

It is an arithmetic number, because the mean of its divisors is an integer number (111747799296).

Almost surely, 2^{1340668146748} is an apocalyptic number.

It is an amenable number.

1340668146748 is an abundant number, since it is smaller than the sum of its proper divisors (1341279036356).

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

1340668146748 is a wasteful number, since it uses less digits than its factorization.

1340668146748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10908753 (or 10908751 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 58.

The spelling of 1340668146748 in words is "one trillion, three hundred forty billion, six hundred sixty-eight million, one hundred forty-six thousand, seven hundred forty-eight".