13540413240343 has 8 divisors (see below), whose sum is σ = 14771685710736. Its totient is φ = 12309195072000.

The previous prime is 13540413240337. The next prime is 13540413240349. The reversal of 13540413240343 is 34304231404531.

It is an interprime number because it is at equal distance from previous prime (13540413240337) and next prime (13540413240349).

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 13540413240343 - 2¹⁷ = 13540413109271 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 (13540413240349) 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, 13053258 + ... + 14052343.

It is an arithmetic number, because the mean of its divisors is an integer number (1846460713842).

Almost surely, 2^{13540413240343} is an apocalyptic number.

13540413240343 is a deficient number, since it is larger than the sum of its proper divisors (1231272470393).

13540413240343 is a wasteful number, since it uses less digits than its factorization.

13540413240343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27151025.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 13540413240343 its reverse (34304231404531), we get a palindrome (47844644644874).

The spelling of 13540413240343 in words is "thirteen trillion, five hundred forty billion, four hundred thirteen million, two hundred forty thousand, three hundred forty-three".