664132135 has 16 divisors (see below), whose sum is σ = 815443200. Its totient is φ = 519068160.

The previous prime is 664132123. The next prime is 664132177. The reversal of 664132135 is 531231466.

It is not a de Polignac number, because 664132135 - 2²¹ = 662034983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 664132097 and 664132106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58666 + ... + 69064.

It is an arithmetic number, because the mean of its divisors is an integer number (50965200).

Almost surely, 2^664132135 is an apocalyptic number.

664132135 is a deficient number, since it is larger than the sum of its proper divisors (151311065).

664132135 is a wasteful number, since it uses less digits than its factorization.

664132135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10698.

The product of its digits is 12960, while the sum is 31.

The square root of 664132135 is about 25770.7612421519. The cubic root of 664132135 is about 872.4720001523.

The spelling of 664132135 in words is "six hundred sixty-four million, one hundred thirty-two thousand, one hundred thirty-five".