1328156339743 has 8 divisors (see below), whose sum is σ = 1333337765760. Its totient is φ = 1322980467480.

The previous prime is 1328156339723. The next prime is 1328156339801. The reversal of 1328156339743 is 3479336518231.

It is a happy number.

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 1328156339743 - 2⁵ = 1328156339711 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 (1328156339723) 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, 908893 + ... + 1866118.

It is an arithmetic number, because the mean of its divisors is an integer number (166667220720).

Almost surely, 2^{1328156339743} is an apocalyptic number.

1328156339743 is a deficient number, since it is larger than the sum of its proper divisors (5181426017).

1328156339743 is a wasteful number, since it uses less digits than its factorization.

1328156339743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776877.

The product of its digits is 9797760, while the sum is 55.

The spelling of 1328156339743 in words is "one trillion, three hundred twenty-eight billion, one hundred fifty-six million, three hundred thirty-nine thousand, seven hundred forty-three".