135211241 has 8 divisors (see below), whose sum is σ = 147909504. Its totient is φ = 122580720.

The previous prime is 135211207. The next prime is 135211259. The reversal of 135211241 is 142112531.

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 135211241 - 2¹⁰ = 135210217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135211261) 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, 12710 + ... + 20783.

It is an arithmetic number, because the mean of its divisors is an integer number (18488688).

Almost surely, 2^135211241 is an apocalyptic number.

135211241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

135211241 is a deficient number, since it is larger than the sum of its proper divisors (12698263).

135211241 is a wasteful number, since it uses less digits than its factorization.

135211241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33871.

The product of its digits is 240, while the sum is 20.

The square root of 135211241 is about 11628.0368506468. The cubic root of 135211241 is about 513.2602127349.

Adding to 135211241 its reverse (142112531), we get a palindrome (277323772).

The spelling of 135211241 in words is "one hundred thirty-five million, two hundred eleven thousand, two hundred forty-one".