134401443 has 24 divisors (see below), whose sum is σ = 204388800. Its totient is φ = 77903760.

The previous prime is 134401441. The next prime is 134401447. The reversal of 134401443 is 344104431.

It is not a de Polignac number, because 134401443 - 2¹ = 134401441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134401441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13608 + ... + 21306.

It is an arithmetic number, because the mean of its divisors is an integer number (8516200).

Almost surely, 2^134401443 is an apocalyptic number.

134401443 is a deficient number, since it is larger than the sum of its proper divisors (69987357).

134401443 is a wasteful number, since it uses less digits than its factorization.

134401443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7759 (or 7736 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 134401443 is about 11593.1636320721. The cubic root of 134401443 is about 512.2334991985.

Adding to 134401443 its reverse (344104431), we get a palindrome (478505874).

The spelling of 134401443 in words is "one hundred thirty-four million, four hundred one thousand, four hundred forty-three".