135603986 has 16 divisors (see below), whose sum is σ = 232641600. Its totient is φ = 58071600.

The previous prime is 135603959. The next prime is 135604009. The reversal of 135603986 is 689306531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20936 + ... + 26636.

It is an arithmetic number, because the mean of its divisors is an integer number (14540100).

Almost surely, 2^135603986 is an apocalyptic number.

135603986 is a deficient number, since it is larger than the sum of its proper divisors (97037614).

135603986 is a wasteful number, since it uses less digits than its factorization.

135603986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7409.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 135603986 is about 11644.9124513669. The cubic root of 135603986 is about 513.7566840830.

The spelling of 135603986 in words is "one hundred thirty-five million, six hundred three thousand, nine hundred eighty-six".