135044313 has 4 divisors (see below), whose sum is σ = 180059088. Its totient is φ = 90029540.

The previous prime is 135044309. The next prime is 135044323. The reversal of 135044313 is 313440531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135044313 - 2² = 135044309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135044303) 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, 22507383 + ... + 22507388.

It is an arithmetic number, because the mean of its divisors is an integer number (45014772).

Almost surely, 2^135044313 is an apocalyptic number.

It is an amenable number.

135044313 is a deficient number, since it is larger than the sum of its proper divisors (45014775).

135044313 is an equidigital number, since it uses as much as digits as its factorization.

135044313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45014774.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 135044313 is about 11620.8568100635. The cubic root of 135044313 is about 513.0489068732.

Adding to 135044313 its reverse (313440531), we get a palindrome (448484844).

The spelling of 135044313 in words is "one hundred thirty-five million, forty-four thousand, three hundred thirteen".