135540530424055 has 4 divisors (see below), whose sum is σ = 162648636508872. Its totient is φ = 108432424339240.

The previous prime is 135540530424037. The next prime is 135540530424067. The reversal of 135540530424055 is 550424035045531.

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

It is not a de Polignac number, because 135540530424055 - 2¹¹ = 135540530422007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135540530423996 and 135540530424014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13554053042401 + ... + 13554053042410.

It is an arithmetic number, because the mean of its divisors is an integer number (40662159127218).

Almost surely, 2^{135540530424055} is an apocalyptic number.

135540530424055 is a deficient number, since it is larger than the sum of its proper divisors (27108106084817).

135540530424055 is an equidigital number, since it uses as much as digits as its factorization.

135540530424055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27108106084816.

The product of its (nonzero) digits is 3600000, while the sum is 46.

Adding to 135540530424055 its reverse (550424035045531), we get a palindrome (685964565469586).

The spelling of 135540530424055 in words is "one hundred thirty-five trillion, five hundred forty billion, five hundred thirty million, four hundred twenty-four thousand, fifty-five".