135574111 has 2 divisors, whose sum is σ = 135574112. Its totient is φ = 135574110.

The previous prime is 135574081. The next prime is 135574157. The reversal of 135574111 is 111475531.

It is a weak prime.

It is an emirp because it is prime and its reverse (111475531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135574111 - 2²⁵ = 102019679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135574111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135574211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67787055 + 67787056.

It is an arithmetic number, because the mean of its divisors is an integer number (67787056).

Almost surely, 2^135574111 is an apocalyptic number.

135574111 is a deficient number, since it is larger than the sum of its proper divisors (1).

135574111 is an equidigital number, since it uses as much as digits as its factorization.

135574111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 28.

The square root of 135574111 is about 11643.6296316913. The cubic root of 135574111 is about 513.7189526252.

It can be divided in two parts, 1355 and 74111, that added together give a triangular number (75466 = T₃₈₈).

The spelling of 135574111 in words is "one hundred thirty-five million, five hundred seventy-four thousand, one hundred eleven".