13398405143 has 4 divisors (see below), whose sum is σ = 14186546640. Its totient is φ = 12610263648.

The previous prime is 13398405133. The next prime is 13398405149. The reversal of 13398405143 is 34150489331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13398405143 - 2¹² = 13398401047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13398405143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13398405149) 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, 394070723 + ... + 394070756.

It is an arithmetic number, because the mean of its divisors is an integer number (3546636660).

Almost surely, 2^13398405143 is an apocalyptic number.

13398405143 is a deficient number, since it is larger than the sum of its proper divisors (788141497).

13398405143 is an equidigital number, since it uses as much as digits as its factorization.

13398405143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788141496.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 13398405143 in words is "thirteen billion, three hundred ninety-eight million, four hundred five thousand, one hundred forty-three".