135440575 has 12 divisors (see below), whose sum is σ = 168091920. Its totient is φ = 108258560.

The previous prime is 135440573. The next prime is 135440579. The reversal of 135440575 is 575044531.

It is not a de Polignac number, because 135440575 - 2¹ = 135440573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135440575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135440573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49647 + ... + 52303.

It is an arithmetic number, because the mean of its divisors is an integer number (14007660).

Almost surely, 2^135440575 is an apocalyptic number.

135440575 is a deficient number, since it is larger than the sum of its proper divisors (32651345).

135440575 is a wasteful number, since it uses less digits than its factorization.

135440575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706 (or 4701 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 135440575 is about 11637.8939245896. The cubic root of 135440575 is about 513.5502318451.

The spelling of 135440575 in words is "one hundred thirty-five million, four hundred forty thousand, five hundred seventy-five".