134443414021 has 32 divisors (see below), whose sum is σ = 168847718400. Its totient is φ = 104376444480.

The previous prime is 134443413931. The next prime is 134443414043. The reversal of 134443414021 is 120414344431.

It is not a de Polignac number, because 134443414021 - 2²⁷ = 134309196293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134443414051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7366135 + ... + 7384363.

It is an arithmetic number, because the mean of its divisors is an integer number (5276491200).

Almost surely, 2^134443414021 is an apocalyptic number.

It is an amenable number.

134443414021 is a deficient number, since it is larger than the sum of its proper divisors (34404304379).

134443414021 is a wasteful number, since it uses less digits than its factorization.

134443414021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20689.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 134443414021 its reverse (120414344431), we get a palindrome (254857758452).

The spelling of 134443414021 in words is "one hundred thirty-four billion, four hundred forty-three million, four hundred fourteen thousand, twenty-one".