135118 has 4 divisors (see below), whose sum is σ = 202680. Its totient is φ = 67558.

The previous prime is 135101. The next prime is 135119. The reversal of 135118 is 811531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 811531 = 7 ⋅115933.

It is a junction number, because it is equal to n+sod(n) for n = 135095 and 135104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33778 + ... + 33781.

It is an arithmetic number, because the mean of its divisors is an integer number (50670).

2¹³⁵¹¹⁸ is an apocalyptic number.

135118 is a deficient number, since it is larger than the sum of its proper divisors (67562).

135118 is an equidigital number, since it uses as much as digits as its factorization.

135118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67561.

The product of its digits is 120, while the sum is 19.

The square root of 135118 is about 367.5840040045. The cubic root of 135118 is about 51.3142205041.

Adding to 135118 its reverse (811531), we get a palindrome (946649).

It can be divided in two parts, 1351 and 18, that added together give a square (1369 = 37²).

The spelling of 135118 in words is "one hundred thirty-five thousand, one hundred eighteen".