135235044553 has 16 divisors (see below), whose sum is σ = 156810311680. Its totient is φ = 114229389456.

The previous prime is 135235044509. The next prime is 135235044569. The reversal of 135235044553 is 355440532531.

It is not a de Polignac number, because 135235044553 - 2⁹ = 135235044041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135235041553) 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 15 ways as a sum of consecutive naturals, for example, 55426 + ... + 523012.

It is an arithmetic number, because the mean of its divisors is an integer number (9800644480).

Almost surely, 2^135235044553 is an apocalyptic number.

It is an amenable number.

135235044553 is a deficient number, since it is larger than the sum of its proper divisors (21575267127).

135235044553 is an equidigital number, since it uses as much as digits as its factorization.

135235044553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468196.

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 135235044553 in words is "one hundred thirty-five billion, two hundred thirty-five million, forty-four thousand, five hundred fifty-three".