664152134 has 8 divisors (see below), whose sum is σ = 999474168. Its totient is φ = 330994080.

The previous prime is 664152133. The next prime is 664152149. The reversal of 664152134 is 431251466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 664152134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664152133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540227 + ... + 541454.

It is an arithmetic number, because the mean of its divisors is an integer number (124934271).

Almost surely, 2^664152134 is an apocalyptic number.

664152134 is a deficient number, since it is larger than the sum of its proper divisors (335322034).

664152134 is a wasteful number, since it uses less digits than its factorization.

664152134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081990.

The product of its digits is 17280, while the sum is 32.

The square root of 664152134 is about 25771.1492564845. The cubic root of 664152134 is about 872.4807576427.

The spelling of 664152134 in words is "six hundred sixty-four million, one hundred fifty-two thousand, one hundred thirty-four".