135055133 has 4 divisors (see below), whose sum is σ = 135495360. Its totient is φ = 134614908.

The previous prime is 135055099. The next prime is 135055139. The reversal of 135055133 is 331550531.

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 135055133 - 2¹⁴ = 135038749 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 (135055139) 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, 219653 + ... + 220266.

It is an arithmetic number, because the mean of its divisors is an integer number (33873840).

Almost surely, 2^135055133 is an apocalyptic number.

It is an amenable number.

135055133 is a deficient number, since it is larger than the sum of its proper divisors (440227).

135055133 is an equidigital number, since it uses as much as digits as its factorization.

135055133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440226.

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 135055133 is about 11621.3223430038. The cubic root of 135055133 is about 513.0626086496.

The spelling of 135055133 in words is "one hundred thirty-five million, fifty-five thousand, one hundred thirty-three".