135525566 has 12 divisors (see below), whose sum is σ = 223449576. Its totient is φ = 61602420.

The previous prime is 135525539. The next prime is 135525571. The reversal of 135525566 is 665525531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 279770 + ... + 280253.

It is an arithmetic number, because the mean of its divisors is an integer number (18620798).

Almost surely, 2^135525566 is an apocalyptic number.

135525566 is a deficient number, since it is larger than the sum of its proper divisors (87924010).

135525566 is a wasteful number, since it uses less digits than its factorization.

135525566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560047 (or 560036 counting only the distinct ones).

The product of its digits is 135000, while the sum is 38.

The square root of 135525566 is about 11641.5448287588. The cubic root of 135525566 is about 513.6576295512.

The spelling of 135525566 in words is "one hundred thirty-five million, five hundred twenty-five thousand, five hundred sixty-six".