135704575 has 12 divisors (see below), whose sum is σ = 168549480. Its totient is φ = 108385760.

The previous prime is 135704573. The next prime is 135704609. The reversal of 135704575 is 575407531.

135704575 is a nontrivial binomial coefficient, being equal to C(16475, 2).

It is not a de Polignac number, because 135704575 - 2¹ = 135704573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135704573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12357 + ... + 20593.

It is an arithmetic number, because the mean of its divisors is an integer number (14045790).

Almost surely, 2^135704575 is an apocalyptic number.

135704575 is the 16474-th triangular number.

135704575 is the 5492-nd centered nonagonal number.

135704575 is a deficient number, since it is larger than the sum of its proper divisors (32844905).

135704575 is an equidigital number, since it uses as much as digits as its factorization.

135704575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8906 (or 8901 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 135704575 is about 11649.2306612926. The cubic root of 135704575 is about 513.8836850162.

It can be divided in two parts, 13570 and 4575, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 135704575 in words is "one hundred thirty-five million, seven hundred four thousand, five hundred seventy-five".