135241111 has 2 divisors, whose sum is σ = 135241112. Its totient is φ = 135241110.

The previous prime is 135241079. The next prime is 135241151. The reversal of 135241111 is 111142531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135241111 - 2⁵ = 135241079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135241151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67620555 + 67620556.

It is an arithmetic number, because the mean of its divisors is an integer number (67620556).

Almost surely, 2^135241111 is an apocalyptic number.

135241111 is a deficient number, since it is larger than the sum of its proper divisors (1).

135241111 is an equidigital number, since it uses as much as digits as its factorization.

135241111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 19.

The square root of 135241111 is about 11629.3211753739. The cubic root of 135241111 is about 513.2980053366.

Adding to 135241111 its reverse (111142531), we get a palindrome (246383642).

The spelling of 135241111 in words is "one hundred thirty-five million, two hundred forty-one thousand, one hundred eleven".