13540350399 has 8 divisors (see below), whose sum is σ = 19004000640. Its totient is φ = 8551800216.

The previous prime is 13540350389. The next prime is 13540350403. The reversal of 13540350399 is 99305304531.

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

It is not a de Polignac number, because 13540350399 - 2⁹ = 13540349887 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 13540350399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13540350379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118774947 + ... + 118775060.

It is an arithmetic number, because the mean of its divisors is an integer number (2375500080).

Almost surely, 2^13540350399 is an apocalyptic number.

13540350399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13540350399 is a deficient number, since it is larger than the sum of its proper divisors (5463650241).

13540350399 is a wasteful number, since it uses less digits than its factorization.

13540350399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237550029.

The product of its (nonzero) digits is 218700, while the sum is 42.

The spelling of 13540350399 in words is "thirteen billion, five hundred forty million, three hundred fifty thousand, three hundred ninety-nine".