134440408043680 has 24 divisors (see below), whose sum is σ = 317615464003572. Its totient is φ = 53776163217408.

The previous prime is 134440408043671. The next prime is 134440408043687. The reversal of 134440408043680 is 86340804044431.

It is a happy number.

134440408043680 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 134440407384336 + 659344 = 11594844^2 + 812^2 .

It is not an unprimeable number, because it can be changed into a prime (134440408043687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420126274977 + ... + 420126275296.

Almost surely, 2^{134440408043680} is an apocalyptic number.

134440408043680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134440408043680 is an abundant number, since it is smaller than the sum of its proper divisors (183175055959892).

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

134440408043680 is an equidigital number, since it uses as much as digits as its factorization.

134440408043680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840252550288 (or 840252550280 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 49.

The spelling of 134440408043680 in words is "one hundred thirty-four trillion, four hundred forty billion, four hundred eight million, forty-three thousand, six hundred eighty".