135254422551553 has 4 divisors (see below), whose sum is σ = 135269144931760. Its totient is φ = 135239700171348.

The previous prime is 135254422551499. The next prime is 135254422551581. The reversal of 135254422551553 is 355155224452531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135254422551553 - 2²⁵ = 135254388997121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135254422551553.

It is not an unprimeable number, because it can be changed into a prime (135254422591553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7361176323 + ... + 7361194696.

It is an arithmetic number, because the mean of its divisors is an integer number (33817286232940).

Almost surely, 2^{135254422551553} is an apocalyptic number.

It is an amenable number.

135254422551553 is a deficient number, since it is larger than the sum of its proper divisors (14722380207).

135254422551553 is an equidigital number, since it uses as much as digits as its factorization.

135254422551553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14722380206.

The product of its digits is 18000000, while the sum is 52.

The spelling of 135254422551553 in words is "one hundred thirty-five trillion, two hundred fifty-four billion, four hundred twenty-two million, five hundred fifty-one thousand, five hundred fifty-three".