134440500644 has 12 divisors (see below), whose sum is σ = 238105465584. Its totient is φ = 66410367624.

The previous prime is 134440500629. The next prime is 134440500673. The reversal of 134440500644 is 446005044431.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202470302 + ... + 202470965.

It is an arithmetic number, because the mean of its divisors is an integer number (19842122132).

Almost surely, 2^134440500644 is an apocalyptic number.

It is an amenable number.

134440500644 is a deficient number, since it is larger than the sum of its proper divisors (103664964940).

134440500644 is a wasteful number, since it uses less digits than its factorization.

134440500644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404941354 (or 404941352 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 134440500644 in words is "one hundred thirty-four billion, four hundred forty million, five hundred thousand, six hundred forty-four".