135942135 has 32 divisors (see below), whose sum is σ = 254369280. Its totient is φ = 60697728.

The previous prime is 135942127. The next prime is 135942179. The reversal of 135942135 is 531249531.

It is not a de Polignac number, because 135942135 - 2³ = 135942127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135942096 and 135942105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10540 + ... + 19569.

It is an arithmetic number, because the mean of its divisors is an integer number (7949040).

Almost surely, 2^135942135 is an apocalyptic number.

135942135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135942135 is a deficient number, since it is larger than the sum of its proper divisors (118427145).

135942135 is a wasteful number, since it uses less digits than its factorization.

135942135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30167.

The product of its digits is 16200, while the sum is 33.

The square root of 135942135 is about 11659.4225843307. The cubic root of 135942135 is about 514.1833728786.

The spelling of 135942135 in words is "one hundred thirty-five million, nine hundred forty-two thousand, one hundred thirty-five".