135120535 has 32 divisors (see below), whose sum is σ = 182310912. Its totient is φ = 95297280.

The previous prime is 135120529. The next prime is 135120547. The reversal of 135120535 is 535021531.

It is not a de Polignac number, because 135120535 - 2²⁵ = 101566103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 431539 + ... + 431851.

It is an arithmetic number, because the mean of its divisors is an integer number (5697216).

Almost surely, 2^135120535 is an apocalyptic number.

135120535 is a deficient number, since it is larger than the sum of its proper divisors (47190377).

135120535 is a wasteful number, since it uses less digits than its factorization.

135120535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 135120535 is about 11624.1358818624. The cubic root of 135120535 is about 513.1454141057.

The spelling of 135120535 in words is "one hundred thirty-five million, one hundred twenty thousand, five hundred thirty-five".