134442306440 has 64 divisors (see below), whose sum is σ = 331285550400. Its totient is φ = 48798865152.

The previous prime is 134442306421. The next prime is 134442306547. The reversal of 134442306440 is 44603244431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 134442306440.

It is an unprimeable number.

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, 2160362 + ... + 2221721.

It is an arithmetic number, because the mean of its divisors is an integer number (5176336725).

Almost surely, 2^134442306440 is an apocalyptic number.

134442306440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134442306440 is an abundant number, since it is smaller than the sum of its proper divisors (196843243960).

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

134442306440 is a wasteful number, since it uses less digits than its factorization.

134442306440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382166 (or 4382162 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

The spelling of 134442306440 in words is "one hundred thirty-four billion, four hundred forty-two million, three hundred six thousand, four hundred forty".