135605595 has 16 divisors (see below), whose sum is σ = 224451360. Its totient is φ = 69828864.

The previous prime is 135605581. The next prime is 135605597. The reversal of 135605595 is 595506531.

It is not a de Polignac number, because 135605595 - 2⁸ = 135605339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135605597) 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 15 ways as a sum of consecutive naturals, for example, 155434 + ... + 156303.

It is an arithmetic number, because the mean of its divisors is an integer number (14028210).

Almost surely, 2^135605595 is an apocalyptic number.

135605595 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135605595 is a deficient number, since it is larger than the sum of its proper divisors (88845765).

135605595 is a wasteful number, since it uses less digits than its factorization.

135605595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311774.

The product of its (nonzero) digits is 101250, while the sum is 39.

The square root of 135605595 is about 11644.9815371258. The cubic root of 135605595 is about 513.7587160567.

The spelling of 135605595 in words is "one hundred thirty-five million, six hundred five thousand, five hundred ninety-five".