135548 has 24 divisors (see below), whose sum is σ = 279552. Its totient is φ = 56304.

The previous prime is 135533. The next prime is 135559. The reversal of 135548 is 845531.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 135548.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265 + ... + 1367.

It is an arithmetic number, because the mean of its divisors is an integer number (11648).

2¹³⁵⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139776).

135548 is an abundant number, since it is smaller than the sum of its proper divisors (144004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135548 is a wasteful number, since it uses less digits than its factorization.

135548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 159 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 135548 is about 368.1684397120. The cubic root of 135548 is about 51.3685970476.

The spelling of 135548 in words is "one hundred thirty-five thousand, five hundred forty-eight".