134401 has 2 divisors, whose sum is σ = 134402. Its totient is φ = 134400.

The previous prime is 134399. The next prime is 134417. The reversal of 134401 is 104431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119025 + 15376 = 345^2 + 124^2 .

It is a cyclic number.

It is not a de Polignac number, because 134401 - 2¹ = 134399 is a prime.

Together with 134399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (134471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67200 + 67201.

It is an arithmetic number, because the mean of its divisors is an integer number (67201).

2¹³⁴⁴⁰¹ is an apocalyptic number.

It is an amenable number.

134401 is a deficient number, since it is larger than the sum of its proper divisors (1).

134401 is an equidigital number, since it uses as much as digits as its factorization.

134401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 134401 is about 366.6074194557. The cubic root of 134401 is about 51.2232936408.

Adding to 134401 its reverse (104431), we get a palindrome (238832).

It can be divided in two parts, 134 and 401, that added together give a palindrome (535).

The spelling of 134401 in words is "one hundred thirty-four thousand, four hundred one".