135608655 has 32 divisors (see below), whose sum is σ = 267047424. Its totient is φ = 57223296.

The previous prime is 135608653. The next prime is 135608687. The reversal of 135608655 is 556806531.

It is not a de Polignac number, because 135608655 - 2¹ = 135608653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135608653) by changing a digit.

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, 48309 + ... + 51038.

It is an arithmetic number, because the mean of its divisors is an integer number (8345232).

Almost surely, 2^135608655 is an apocalyptic number.

135608655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135608655 is a deficient number, since it is larger than the sum of its proper divisors (131438769).

135608655 is a wasteful number, since it uses less digits than its factorization.

135608655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99375.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 135608655 is about 11645.1129234542. The cubic root of 135608655 is about 513.7625804249.

The spelling of 135608655 in words is "one hundred thirty-five million, six hundred eight thousand, six hundred fifty-five".