135255605 has 16 divisors (see below), whose sum is σ = 165656064. Its totient is φ = 105986880.

The previous prime is 135255599. The next prime is 135255611. The reversal of 135255605 is 506552531.

135255605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135255599) and next prime (135255611).

It is not a de Polignac number, because 135255605 - 2⁶ = 135255541 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 15 ways as a sum of consecutive naturals, for example, 85532 + ... + 87098.

It is an arithmetic number, because the mean of its divisors is an integer number (10353504).

Almost surely, 2^135255605 is an apocalyptic number.

It is an amenable number.

135255605 is a deficient number, since it is larger than the sum of its proper divisors (30400459).

135255605 is a wasteful number, since it uses less digits than its factorization.

135255605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 135255605 is about 11629.9443248882. The cubic root of 135255605 is about 513.3163416632.

The spelling of 135255605 in words is "one hundred thirty-five million, two hundred fifty-five thousand, six hundred five".