135065705 has 4 divisors (see below), whose sum is σ = 162078852. Its totient is φ = 108052560.

The previous prime is 135065647. The next prime is 135065713. The reversal of 135065705 is 507560531.

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 26739241 + 108326464 = 5171^2 + 10408^2 .

It is not a de Polignac number, because 135065705 - 2⁸ = 135065449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13506566 + ... + 13506575.

It is an arithmetic number, because the mean of its divisors is an integer number (40519713).

Almost surely, 2^135065705 is an apocalyptic number.

It is an amenable number.

135065705 is a deficient number, since it is larger than the sum of its proper divisors (27013147).

135065705 is an equidigital number, since it uses as much as digits as its factorization.

135065705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27013146.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 135065705 is about 11621.7771876766. Note that the first 3 decimals coincide. The cubic root of 135065705 is about 513.0759956673.

The spelling of 135065705 in words is "one hundred thirty-five million, sixty-five thousand, seven hundred five".