135671111 has 2 divisors, whose sum is σ = 135671112. Its totient is φ = 135671110.

The previous prime is 135671083. The next prime is 135671147. The reversal of 135671111 is 111176531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135671111 - 2¹⁸ = 135408967 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135671161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67835555 + 67835556.

It is an arithmetic number, because the mean of its divisors is an integer number (67835556).

Almost surely, 2^135671111 is an apocalyptic number.

135671111 is a deficient number, since it is larger than the sum of its proper divisors (1).

135671111 is an equidigital number, since it uses as much as digits as its factorization.

135671111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630, while the sum is 26.

The square root of 135671111 is about 11647.7942547076. The cubic root of 135671111 is about 513.8414412491.

The spelling of 135671111 in words is "one hundred thirty-five million, six hundred seventy-one thousand, one hundred eleven".