135241311 has 8 divisors (see below), whose sum is σ = 188161920. Its totient is φ = 86240792.

The previous prime is 135241291. The next prime is 135241363. The reversal of 135241311 is 113142531.

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 135241311 - 2⁹ = 135240799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135241111) 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, 979941 + ... + 980078.

It is an arithmetic number, because the mean of its divisors is an integer number (23520240).

Almost surely, 2^135241311 is an apocalyptic number.

135241311 is a deficient number, since it is larger than the sum of its proper divisors (52920609).

135241311 is a wasteful number, since it uses less digits than its factorization.

135241311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960045.

The product of its digits is 360, while the sum is 21.

The square root of 135241311 is about 11629.3297743249. The cubic root of 135241311 is about 513.2982583651.

Adding to 135241311 its reverse (113142531), we get a palindrome (248383842).

The spelling of 135241311 in words is "one hundred thirty-five million, two hundred forty-one thousand, three hundred eleven".