664122134 has 8 divisors (see below), whose sum is σ = 1072812720. Its totient is φ = 306517896.

The previous prime is 664122133. The next prime is 664122197. The reversal of 664122134 is 431221466.

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

It is a junction number, because it is equal to n+sod(n) for n = 664122097 and 664122106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664122133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12771554 + ... + 12771605.

It is an arithmetic number, because the mean of its divisors is an integer number (134101590).

Almost surely, 2^664122134 is an apocalyptic number.

664122134 is a deficient number, since it is larger than the sum of its proper divisors (408690586).

664122134 is a wasteful number, since it uses less digits than its factorization.

664122134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25543174.

The product of its digits is 6912, while the sum is 29.

The square root of 664122134 is about 25770.5672036919. The cubic root of 664122134 is about 872.4676206844.

The spelling of 664122134 in words is "six hundred sixty-four million, one hundred twenty-two thousand, one hundred thirty-four".