135466688 has 56 divisors (see below), whose sum is σ = 320600832. Its totient is φ = 55528704.

The previous prime is 135466687. The next prime is 135466703. The reversal of 135466688 is 886664531.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (135466687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3731 + ... + 16877.

Almost surely, 2^135466688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135466688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160300416).

135466688 is an abundant number, since it is smaller than the sum of its proper divisors (185134144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135466688 is a wasteful number, since it uses less digits than its factorization.

135466688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13189 (or 13179 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 135466688 is about 11639.0157659486. The cubic root of 135466688 is about 513.5832339581.

The spelling of 135466688 in words is "one hundred thirty-five million, four hundred sixty-six thousand, six hundred eighty-eight".