135125 has 16 divisors (see below), whose sum is σ = 179712. Its totient is φ = 101200.

The previous prime is 135119. The next prime is 135131. The reversal of 135125 is 521531.

It is an interprime number because it is at equal distance from previous prime (135119) and next prime (135131).

It is a de Polignac number, because none of the positive numbers 2^k-135125 is a prime.

It is a Duffinian number.

Its product of digits (150) is a multiple of the sum of its prime divisors (75).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2852 + ... + 2898.

It is an arithmetic number, because the mean of its divisors is an integer number (11232).

2¹³⁵¹²⁵ is an apocalyptic number.

It is an amenable number.

135125 is a deficient number, since it is larger than the sum of its proper divisors (44587).

135125 is an equidigital number, since it uses as much as digits as its factorization.

135125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 75 counting only the distinct ones).

The product of its digits is 150, while the sum is 17.

The square root of 135125 is about 367.5935255143. The cubic root of 135125 is about 51.3151066267.

Adding to 135125 its reverse (521531), we get a palindrome (656656).

The spelling of 135125 in words is "one hundred thirty-five thousand, one hundred twenty-five".