135280664 has 32 divisors (see below), whose sum is σ = 270328320. Its totient is φ = 63318816.

The previous prime is 135280657. The next prime is 135280669. The reversal of 135280664 is 466082531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135280669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827 + ... + 16469.

It is an arithmetic number, because the mean of its divisors is an integer number (8447760).

Almost surely, 2^135280664 is an apocalyptic number.

It is an amenable number.

135280664 is a deficient number, since it is larger than the sum of its proper divisors (135047656).

135280664 is a wasteful number, since it uses less digits than its factorization.

135280664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15719 (or 15715 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 135280664 is about 11631.0216232281. The cubic root of 135280664 is about 513.3480406573.

The spelling of 135280664 in words is "one hundred thirty-five million, two hundred eighty thousand, six hundred sixty-four".