13156305743 has 4 divisors (see below), whose sum is σ = 15035778000. Its totient is φ = 11276833488.

The previous prime is 13156305719. The next prime is 13156305749. The reversal of 13156305743 is 34750365131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34750365131 = 15919 ⋅2182949.

It is a cyclic number.

It is not a de Polignac number, because 13156305743 - 2¹² = 13156301647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13156305697 and 13156305706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13156305749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939736118 + ... + 939736131.

It is an arithmetic number, because the mean of its divisors is an integer number (3758944500).

Almost surely, 2^13156305743 is an apocalyptic number.

13156305743 is a deficient number, since it is larger than the sum of its proper divisors (1879472257).

13156305743 is an equidigital number, since it uses as much as digits as its factorization.

13156305743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879472256.

The product of its (nonzero) digits is 113400, while the sum is 38.

The spelling of 13156305743 in words is "thirteen billion, one hundred fifty-six million, three hundred five thousand, seven hundred forty-three".