134243040564 has 36 divisors (see below), whose sum is σ = 339353056224. Its totient is φ = 44745506832.

The previous prime is 134243040559. The next prime is 134243040571. The reversal of 134243040564 is 465040342431.

134243040564 is a `hidden beast` number, since 1 + 3 + 4 + 24 + 30 + 40 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 774019 + ... + 931445.

It is an arithmetic number, because the mean of its divisors is an integer number (9426473784).

Almost surely, 2^134243040564 is an apocalyptic number.

It is an amenable number.

134243040564 is an abundant number, since it is smaller than the sum of its proper divisors (205110015660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134243040564 is a wasteful number, since it uses less digits than its factorization.

134243040564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181124 (or 181119 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 134243040564 its reverse (465040342431), we get a palindrome (599283382995).

The spelling of 134243040564 in words is "one hundred thirty-four billion, two hundred forty-three million, forty thousand, five hundred sixty-four".