135541344 has 24 divisors (see below), whose sum is σ = 355796280. Its totient is φ = 45180416.

The previous prime is 135541333. The next prime is 135541379. The reversal of 135541344 is 443145531.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705849 + ... + 706040.

It is an arithmetic number, because the mean of its divisors is an integer number (14824845).

Almost surely, 2^135541344 is an apocalyptic number.

It is an amenable number.

135541344 is an abundant number, since it is smaller than the sum of its proper divisors (220254936).

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

135541344 is a wasteful number, since it uses less digits than its factorization.

135541344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411902 (or 1411894 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 135541344 is about 11642.2224682403. Note that the first 3 decimals coincide. The cubic root of 135541344 is about 513.6775622616.

Adding to 135541344 its reverse (443145531), we get a palindrome (578686875).

The spelling of 135541344 in words is "one hundred thirty-five million, five hundred forty-one thousand, three hundred forty-four".