1340320320143 has 8 divisors (see below), whose sum is σ = 1531819607040. Its totient is φ = 1148827272120.

The previous prime is 1340320320133. The next prime is 1340320320149. The reversal of 1340320320143 is 3410230230431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340320320143 - 2⁴ = 1340320320127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340320320149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089923 + ... + 1966868.

It is an arithmetic number, because the mean of its divisors is an integer number (191477450880).

Almost surely, 2^{1340320320143} is an apocalyptic number.

1340320320143 is a deficient number, since it is larger than the sum of its proper divisors (191499286897).

1340320320143 is an equidigital number, since it uses as much as digits as its factorization.

1340320320143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119437.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1340320320143 its reverse (3410230230431), we get a palindrome (4750550550574).

The spelling of 1340320320143 in words is "one trillion, three hundred forty billion, three hundred twenty million, three hundred twenty thousand, one hundred forty-three".