134440564 has 12 divisors (see below), whose sum is σ = 235353664. Its totient is φ = 67196664.

The previous prime is 134440547. The next prime is 134440567. The reversal of 134440564 is 465044431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134440567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15619 + ... + 22645.

Almost surely, 2^134440564 is an apocalyptic number.

It is an amenable number.

134440564 is a deficient number, since it is larger than the sum of its proper divisors (100913100).

134440564 is a wasteful number, since it uses less digits than its factorization.

134440564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11814 (or 11812 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 134440564 is about 11594.8507536751. The cubic root of 134440564 is about 512.2831939594.

Adding to 134440564 its reverse (465044431), we get a palindrome (599484995).

The spelling of 134440564 in words is "one hundred thirty-four million, four hundred forty thousand, five hundred sixty-four".