135241313 has 4 divisors (see below), whose sum is σ = 139603968. Its totient is φ = 130878660.

The previous prime is 135241291. The next prime is 135241363. The reversal of 135241313 is 313142531.

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 a de Polignac number, because none of the positive numbers 2^k-135241313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135241363) 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, 2181281 + ... + 2181342.

It is an arithmetic number, because the mean of its divisors is an integer number (34900992).

Almost surely, 2^135241313 is an apocalyptic number.

It is an amenable number.

135241313 is a deficient number, since it is larger than the sum of its proper divisors (4362655).

135241313 is an equidigital number, since it uses as much as digits as its factorization.

135241313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4362654.

The product of its digits is 1080, while the sum is 23.

The square root of 135241313 is about 11629.3298603144. The cubic root of 135241313 is about 513.2982608953.

Adding to 135241313 its reverse (313142531), we get a palindrome (448383844).

The spelling of 135241313 in words is "one hundred thirty-five million, two hundred forty-one thousand, three hundred thirteen".