135570665 has 16 divisors (see below), whose sum is σ = 173093760. Its totient is φ = 101579520.

The previous prime is 135570653. The next prime is 135570689. The reversal of 135570665 is 566075531.

It is not a de Polignac number, because 135570665 - 2¹⁴ = 135554281 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 14156 + ... + 21714.

It is an arithmetic number, because the mean of its divisors is an integer number (10818360).

Almost surely, 2^135570665 is an apocalyptic number.

It is an amenable number.

135570665 is a deficient number, since it is larger than the sum of its proper divisors (37523095).

135570665 is a wasteful number, since it uses less digits than its factorization.

135570665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 135570665 is about 11643.4816528391. The cubic root of 135570665 is about 513.7146000476.

The spelling of 135570665 in words is "one hundred thirty-five million, five hundred seventy thousand, six hundred sixty-five".