135401 has 12 divisors (see below), whose sum is σ = 167232. Its totient is φ = 107184.

The previous prime is 135391. The next prime is 135403. The reversal of 135401 is 104531.

It is a de Polignac number, because none of the positive numbers 2^k-135401 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 (135403) 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 11 ways as a sum of consecutive naturals, for example, 4655 + ... + 4683.

It is an arithmetic number, because the mean of its divisors is an integer number (13936).

2¹³⁵⁴⁰¹ is an apocalyptic number.

It is an amenable number.

135401 is a deficient number, since it is larger than the sum of its proper divisors (31831).

135401 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 8 representation: 135401 = (410351)₈.

135401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 135401 is about 367.9687486730. The cubic root of 135401 is about 51.3500208110.

Adding to 135401 its reverse (104531), we get a palindrome (239932).

The spelling of 135401 in words is "one hundred thirty-five thousand, four hundred one".