1340013541468 has 36 divisors (see below), whose sum is σ = 2729176553712. Its totient is φ = 574019550720.

The previous prime is 1340013541421. The next prime is 1340013541499. The reversal of 1340013541468 is 8641453100431.

It is a super-2 number, since 2×1340013541468² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1340013541468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1203648 + ... + 2031943.

Almost surely, 2^{1340013541468} is an apocalyptic number.

It is an amenable number.

1340013541468 is an abundant number, since it is smaller than the sum of its proper divisors (1389163012244).

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

1340013541468 is a wasteful number, since it uses less digits than its factorization.

1340013541468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237722 (or 3237713 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

Adding to 1340013541468 its reverse (8641453100431), we get a palindrome (9981466641899).

The spelling of 1340013541468 in words is "one trillion, three hundred forty billion, thirteen million, five hundred forty-one thousand, four hundred sixty-eight".