135141 has 8 divisors (see below), whose sum is σ = 182304. Its totient is φ = 89040.

The previous prime is 135131. The next prime is 135151. The reversal of 135141 is 141531.

It is an interprime number because it is at equal distance from previous prime (135131) and next prime (135151).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135141 - 2⁶ = 135077 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 135141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111 + ... + 531.

It is an arithmetic number, because the mean of its divisors is an integer number (22788).

2¹³⁵¹⁴¹ is an apocalyptic number.

135141 is the 233-rd centered pentagonal number.

It is an amenable number.

135141 is a deficient number, since it is larger than the sum of its proper divisors (47163).

135141 is a wasteful number, since it uses less digits than its factorization.

135141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531.

The product of its digits is 60, while the sum is 15.

The square root of 135141 is about 367.6152880390. The cubic root of 135141 is about 51.3171319348.

Adding to 135141 its reverse (141531), we get a palindrome (276672).

It can be divided in two parts, 135 and 141, that added together give a triangular number (276 = T₂₃).

The spelling of 135141 in words is "one hundred thirty-five thousand, one hundred forty-one".