135539535 has 16 divisors (see below), whose sum is σ = 217526400. Its totient is φ = 72066720.

The previous prime is 135539531. The next prime is 135539557. The reversal of 135539535 is 535935531.

It is not a de Polignac number, because 135539535 - 2² = 135539531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135539493 and 135539502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135539531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8685 + ... + 18614.

It is an arithmetic number, because the mean of its divisors is an integer number (13595400).

Almost surely, 2^135539535 is an apocalyptic number.

135539535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135539535 is a deficient number, since it is larger than the sum of its proper divisors (81986865).

135539535 is a wasteful number, since it uses less digits than its factorization.

135539535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27638.

The product of its digits is 151875, while the sum is 39.

The square root of 135539535 is about 11642.1447766294. The cubic root of 135539535 is about 513.6752769888.

The spelling of 135539535 in words is "one hundred thirty-five million, five hundred thirty-nine thousand, five hundred thirty-five".