135775212107 has 4 divisors (see below), whose sum is σ = 137411058120. Its totient is φ = 134139366096.

The previous prime is 135775212091. The next prime is 135775212119. The reversal of 135775212107 is 701212577531.

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 135775212107 - 2⁴ = 135775212091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135775212127) 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, 817922882 + ... + 817923047.

It is an arithmetic number, because the mean of its divisors is an integer number (34352764530).

Almost surely, 2^135775212107 is an apocalyptic number.

135775212107 is a deficient number, since it is larger than the sum of its proper divisors (1635846013).

135775212107 is an equidigital number, since it uses as much as digits as its factorization.

135775212107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635846012.

The product of its (nonzero) digits is 102900, while the sum is 41.

Adding to 135775212107 its reverse (701212577531), we get a palindrome (836987789638).

The spelling of 135775212107 in words is "one hundred thirty-five billion, seven hundred seventy-five million, two hundred twelve thousand, one hundred seven".