135655775 has 6 divisors (see below), whose sum is σ = 168213192. Its totient is φ = 108524600.

The previous prime is 135655769. The next prime is 135655787. The reversal of 135655775 is 577556531.

It is not a de Polignac number, because 135655775 - 2⁸ = 135655519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2713091 + ... + 2713140.

It is an arithmetic number, because the mean of its divisors is an integer number (28035532).

Almost surely, 2^135655775 is an apocalyptic number.

135655775 is a deficient number, since it is larger than the sum of its proper divisors (32557417).

135655775 is an equidigital number, since it uses as much as digits as its factorization.

135655775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426241 (or 5426236 counting only the distinct ones).

The product of its digits is 551250, while the sum is 44.

The square root of 135655775 is about 11647.1359140348. The cubic root of 135655775 is about 513.8220793053.

The spelling of 135655775 in words is "one hundred thirty-five million, six hundred fifty-five thousand, seven hundred seventy-five".