135552241 has 8 divisors (see below), whose sum is σ = 148214304. Its totient is φ = 122946720.

The previous prime is 135552173. The next prime is 135552253. The reversal of 135552241 is 142255531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135552241 - 2¹¹ = 135550193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135552341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9036 + ... + 18781.

It is an arithmetic number, because the mean of its divisors is an integer number (18526788).

Almost surely, 2^135552241 is an apocalyptic number.

135552241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

135552241 is a deficient number, since it is larger than the sum of its proper divisors (12662063).

135552241 is a wasteful number, since it uses less digits than its factorization.

135552241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28271.

The product of its digits is 6000, while the sum is 28.

The square root of 135552241 is about 11642.6904536709. The cubic root of 135552241 is about 513.6913277894.

The spelling of 135552241 in words is "one hundred thirty-five million, five hundred fifty-two thousand, two hundred forty-one".