135113611 has 4 divisors (see below), whose sum is σ = 138255832. Its totient is φ = 131971392.

The previous prime is 135113609. The next prime is 135113623. The reversal of 135113611 is 116311531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135113611 - 2¹ = 135113609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135113651) 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 in 3 ways as a sum of consecutive naturals, for example, 1571046 + ... + 1571131.

It is an arithmetic number, because the mean of its divisors is an integer number (34563958).

Almost surely, 2^135113611 is an apocalyptic number.

135113611 is a deficient number, since it is larger than the sum of its proper divisors (3142221).

135113611 is an equidigital number, since it uses as much as digits as its factorization.

135113611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142220.

The product of its digits is 270, while the sum is 22.

The square root of 135113611 is about 11623.8380494568. The cubic root of 135113611 is about 513.1366488959.

The spelling of 135113611 in words is "one hundred thirty-five million, one hundred thirteen thousand, six hundred eleven".