1343247268736 has 128 divisors (see below), whose sum is σ = 2836734566400. Its totient is φ = 632682086400.

The previous prime is 1343247268697. The next prime is 1343247268751. The reversal of 1343247268736 is 6378627423431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22226336 + ... + 22286688.

It is an arithmetic number, because the mean of its divisors is an integer number (22161988800).

Almost surely, 2^{1343247268736} is an apocalyptic number.

1343247268736 is a gapful number since it is divisible by the number (16) 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 1343247268736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1418367283200).

1343247268736 is an abundant number, since it is smaller than the sum of its proper divisors (1493487297664).

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

1343247268736 is an equidigital number, since it uses as much as digits as its factorization.

1343247268736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60548 (or 60536 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 56.

The spelling of 1343247268736 in words is "one trillion, three hundred forty-three billion, two hundred forty-seven million, two hundred sixty-eight thousand, seven hundred thirty-six".