664134141 has 16 divisors (see below), whose sum is σ = 966486528. Its totient is φ = 402308400.

The previous prime is 664134139. The next prime is 664134143. The reversal of 664134141 is 141431466.

It is an interprime number because it is at equal distance from previous prime (664134139) and next prime (664134143).

It is not a de Polignac number, because 664134141 - 2¹ = 664134139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 664134099 and 664134108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664134143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91786 + ... + 98756.

It is an arithmetic number, because the mean of its divisors is an integer number (60405408).

Almost surely, 2^664134141 is an apocalyptic number.

It is an amenable number.

664134141 is a deficient number, since it is larger than the sum of its proper divisors (302352387).

664134141 is a wasteful number, since it uses less digits than its factorization.

664134141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9872.

The product of its digits is 6912, while the sum is 30.

The square root of 664134141 is about 25770.8001621991. The cubic root of 664134141 is about 872.4728785805.

The spelling of 664134141 in words is "six hundred sixty-four million, one hundred thirty-four thousand, one hundred forty-one".