135145111 has 2 divisors, whose sum is σ = 135145112. Its totient is φ = 135145110.

The previous prime is 135145103. The next prime is 135145117. The reversal of 135145111 is 111541531.

It is a strong prime.

It is an emirp because it is prime and its reverse (111541531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135145111 - 2³ = 135145103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135145117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67572555 + 67572556.

It is an arithmetic number, because the mean of its divisors is an integer number (67572556).

Almost surely, 2^135145111 is an apocalyptic number.

135145111 is a deficient number, since it is larger than the sum of its proper divisors (1).

135145111 is an equidigital number, since it uses as much as digits as its factorization.

135145111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 300, while the sum is 22.

The square root of 135145111 is about 11625.1929446354. The cubic root of 135145111 is about 513.1765228665.

Adding to 135145111 its reverse (111541531), we get a palindrome (246686642).

The spelling of 135145111 in words is "one hundred thirty-five million, one hundred forty-five thousand, one hundred eleven".