134441 has 4 divisors (see below), whose sum is σ = 135252. Its totient is φ = 133632.

The previous prime is 134437. The next prime is 134443. The reversal of 134441 is 144431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 92416 + 42025 = 304^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 134441 - 2² = 134437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 134441.

It is not an unprimeable number, because it can be changed into a prime (134443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56 + ... + 521.

It is an arithmetic number, because the mean of its divisors is an integer number (33813).

2¹³⁴⁴⁴¹ is an apocalyptic number.

It is an amenable number.

134441 is a deficient number, since it is larger than the sum of its proper divisors (811).

134441 is an equidigital number, since it uses as much as digits as its factorization.

134441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its digits is 192, while the sum is 17.

The square root of 134441 is about 366.6619696669. The cubic root of 134441 is about 51.2283747749.

Adding to 134441 its reverse (144431), we get a palindrome (278872).

It can be divided in two parts, 134 and 441, that added together give a palindrome (575).

The spelling of 134441 in words is "one hundred thirty-four thousand, four hundred forty-one".