135544401421103 has 8 divisors (see below), whose sum is σ = 135557293264800. Its totient is φ = 135531510010848.

The previous prime is 135544401421097. The next prime is 135544401421207. The reversal of 135544401421103 is 301124104445531.

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 135544401421103 - 2¹⁴ = 135544401404719 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 (135544401429103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1185362150 + ... + 1185476492.

It is an arithmetic number, because the mean of its divisors is an integer number (16944661658100).

Almost surely, 2^{135544401421103} is an apocalyptic number.

135544401421103 is a deficient number, since it is larger than the sum of its proper divisors (12891843697).

135544401421103 is a wasteful number, since it uses less digits than its factorization.

135544401421103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216721.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 135544401421103 its reverse (301124104445531), we get a palindrome (436668505866634).

The spelling of 135544401421103 in words is "one hundred thirty-five trillion, five hundred forty-four billion, four hundred one million, four hundred twenty-one thousand, one hundred three".