13540350403 has 2 divisors, whose sum is σ = 13540350404. Its totient is φ = 13540350402.

The previous prime is 13540350389. The next prime is 13540350433. The reversal of 13540350403 is 30405304531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13540350403 - 2⁹ = 13540349891 is a prime.

It is not a weakly prime, because it can be changed into another prime (13540350433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6770175201 + 6770175202.

It is an arithmetic number, because the mean of its divisors is an integer number (6770175202).

Almost surely, 2^13540350403 is an apocalyptic number.

13540350403 is a deficient number, since it is larger than the sum of its proper divisors (1).

13540350403 is an equidigital number, since it uses as much as digits as its factorization.

13540350403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 13540350403 its reverse (30405304531), we get a palindrome (43945654934).

The spelling of 13540350403 in words is "thirteen billion, five hundred forty million, three hundred fifty thousand, four hundred three".