135146111 has 2 divisors, whose sum is σ = 135146112. Its totient is φ = 135146110.

The previous prime is 135146101. The next prime is 135146113. The reversal of 135146111 is 111641531.

It is a happy number.

135146111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135146111 - 2⁶ = 135146047 is a prime.

It is a Sophie Germain prime.

Together with 135146113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135146113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67573055 + 67573056.

It is an arithmetic number, because the mean of its divisors is an integer number (67573056).

Almost surely, 2^135146111 is an apocalyptic number.

135146111 is a deficient number, since it is larger than the sum of its proper divisors (1).

135146111 is an equidigital number, since it uses as much as digits as its factorization.

135146111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 23.

The square root of 135146111 is about 11625.2359545946. The cubic root of 135146111 is about 513.1777886054.

Adding to 135146111 its reverse (111641531), we get a palindrome (246787642).

The spelling of 135146111 in words is "one hundred thirty-five million, one hundred forty-six thousand, one hundred eleven".