135746605 has 4 divisors (see below), whose sum is σ = 162895932. Its totient is φ = 108597280.

The previous prime is 135746591. The next prime is 135746641. The reversal of 135746605 is 506647531.

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 67535524 + 68211081 = 8218^2 + 8259^2 .

It is not a de Polignac number, because 135746605 - 2¹⁹ = 135222317 is a prime.

It is a Duffinian number.

It is a congruent 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, 13574656 + ... + 13574665.

It is an arithmetic number, because the mean of its divisors is an integer number (40723983).

Almost surely, 2^135746605 is an apocalyptic number.

It is an amenable number.

135746605 is a deficient number, since it is larger than the sum of its proper divisors (27149327).

135746605 is an equidigital number, since it uses as much as digits as its factorization.

135746605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27149326.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 135746605 is about 11651.0345034250. The cubic root of 135746605 is about 513.9367323602.

The spelling of 135746605 in words is "one hundred thirty-five million, seven hundred forty-six thousand, six hundred five".