135230111 has 4 divisors (see below), whose sum is σ = 135871224. Its totient is φ = 134589000.

The previous prime is 135230093. The next prime is 135230119. The reversal of 135230111 is 111032531.

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 135230111 - 2⁶ = 135230047 is a prime.

It is a super-3 number, since 3×135230111³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135230111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135230119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320240 + ... + 320661.

It is an arithmetic number, because the mean of its divisors is an integer number (33967806).

Almost surely, 2^135230111 is an apocalyptic number.

135230111 is a deficient number, since it is larger than the sum of its proper divisors (641113).

135230111 is an equidigital number, since it uses as much as digits as its factorization.

135230111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641112.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 135230111 is about 11628.8482232765. The cubic root of 135230111 is about 513.2840883871.

Adding to 135230111 its reverse (111032531), we get a palindrome (246262642).

The spelling of 135230111 in words is "one hundred thirty-five million, two hundred thirty thousand, one hundred eleven".