135205107 has 4 divisors (see below), whose sum is σ = 180273480. Its totient is φ = 90136736.

The previous prime is 135205069. The next prime is 135205111. The reversal of 135205107 is 701502531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135205107 - 2⁸ = 135204851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135205157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22534182 + ... + 22534187.

It is an arithmetic number, because the mean of its divisors is an integer number (45068370).

Almost surely, 2^135205107 is an apocalyptic number.

135205107 is a deficient number, since it is larger than the sum of its proper divisors (45068373).

135205107 is an equidigital number, since it uses as much as digits as its factorization.

135205107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45068372.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 135205107 is about 11627.7730886013. The cubic root of 135205107 is about 513.2524510879.

Adding to 135205107 its reverse (701502531), we get a palindrome (836707638).

The spelling of 135205107 in words is "one hundred thirty-five million, two hundred five thousand, one hundred seven".