135109548 has 36 divisors (see below), whose sum is σ = 390317200. Its totient is φ = 38602656.

The previous prime is 135109543. The next prime is 135109603. The reversal of 135109548 is 845901531.

135109548 is a `hidden beast` number, since 1 + 3 + 5 + 109 + 548 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (135109543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267823 + ... + 268326.

Almost surely, 2^135109548 is an apocalyptic number.

135109548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

135109548 is an abundant number, since it is smaller than the sum of its proper divisors (255207652).

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

135109548 is a wasteful number, since it uses less digits than its factorization.

135109548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536166 (or 536161 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 135109548 is about 11623.6632779860. The cubic root of 135109548 is about 513.1315053353.

The spelling of 135109548 in words is "one hundred thirty-five million, one hundred nine thousand, five hundred forty-eight".