135106214305 has 4 divisors (see below), whose sum is σ = 162127457172. Its totient is φ = 108084971440.

The previous prime is 135106214297. The next prime is 135106214351. The reversal of 135106214305 is 503412601531.

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

It can be written as a sum of positive squares in 2 ways, for example, as 59066497296 + 76039717009 = 243036^2 + 275753^2 .

It is not a de Polignac number, because 135106214305 - 2³ = 135106214297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13510621426 + ... + 13510621435.

It is an arithmetic number, because the mean of its divisors is an integer number (40531864293).

Almost surely, 2^135106214305 is an apocalyptic number.

It is an amenable number.

135106214305 is a deficient number, since it is larger than the sum of its proper divisors (27021242867).

135106214305 is an equidigital number, since it uses as much as digits as its factorization.

135106214305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27021242866.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 135106214305 its reverse (503412601531), we get a palindrome (638518815836).

The spelling of 135106214305 in words is "one hundred thirty-five billion, one hundred six million, two hundred fourteen thousand, three hundred five".