135041223 has 8 divisors (see below), whose sum is σ = 180484336. Its totient is φ = 89812800.

The previous prime is 135041173. The next prime is 135041237. The reversal of 135041223 is 322140531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135041223 - 2⁸ = 135040967 is a prime.

It is a super-2 number, since 2×135041223² = 36472263818671458, which contains 22 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 135041223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135041723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52198 + ... + 54723.

It is an arithmetic number, because the mean of its divisors is an integer number (22560542).

Almost surely, 2^135041223 is an apocalyptic number.

135041223 is a deficient number, since it is larger than the sum of its proper divisors (45443113).

135041223 is a wasteful number, since it uses less digits than its factorization.

135041223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107345.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 135041223 is about 11620.7238586931. The cubic root of 135041223 is about 513.0449937547.

Adding to 135041223 its reverse (322140531), we get a palindrome (457181754).

The spelling of 135041223 in words is "one hundred thirty-five million, forty-one thousand, two hundred twenty-three".