1340148668868 has 96 divisors (see below), whose sum is σ = 3514499856000. Its totient is φ = 441571046400.

The previous prime is 1340148668861. The next prime is 1340148668869. The reversal of 1340148668868 is 8688668410431.

1340148668868 is a `hidden beast` number, since 1 + 34 + 0 + 1 + 486 + 68 + 8 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (1340148668861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37363143 + ... + 37398993.

It is an arithmetic number, because the mean of its divisors is an integer number (36609373500).

Almost surely, 2^{1340148668868} is an apocalyptic number.

1340148668868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340148668868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1757249928000).

1340148668868 is an abundant number, since it is smaller than the sum of its proper divisors (2174351187132).

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

1340148668868 is a wasteful number, since it uses less digits than its factorization.

1340148668868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39842 (or 39834 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 63.

The spelling of 1340148668868 in words is "one trillion, three hundred forty billion, one hundred forty-eight million, six hundred sixty-eight thousand, eight hundred sixty-eight".