135520032241 has 8 divisors (see below), whose sum is σ = 150345799200. Its totient is φ = 121111892640.

The previous prime is 135520032209. The next prime is 135520032299. The reversal of 135520032241 is 142230025531.

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 135520032241 - 2⁵ = 135520032209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135520033241) 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, 104406156 + ... + 104407453.

It is an arithmetic number, because the mean of its divisors is an integer number (18793224900).

Almost surely, 2^135520032241 is an apocalyptic number.

135520032241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

135520032241 is a deficient number, since it is larger than the sum of its proper divisors (14825766959).

135520032241 is a wasteful number, since it uses less digits than its factorization.

135520032241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208813679.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 135520032241 its reverse (142230025531), we get a palindrome (277750057772).

The spelling of 135520032241 in words is "one hundred thirty-five billion, five hundred twenty million, thirty-two thousand, two hundred forty-one".