135606668 has 12 divisors (see below), whose sum is σ = 245495040. Its totient is φ = 65465232.

The previous prime is 135606619. The next prime is 135606673. The reversal of 135606668 is 866606531.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584396 + ... + 584627.

It is an arithmetic number, because the mean of its divisors is an integer number (20457920).

Almost surely, 2^135606668 is an apocalyptic number.

It is an amenable number.

135606668 is a deficient number, since it is larger than the sum of its proper divisors (109888372).

135606668 is a wasteful number, since it uses less digits than its factorization.

135606668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169056 (or 1169054 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 135606668 is about 11645.0276083829. The cubic root of 135606668 is about 513.7600711180.

The spelling of 135606668 in words is "one hundred thirty-five million, six hundred six thousand, six hundred sixty-eight".