135544317317 has 4 divisors (see below), whose sum is σ = 136301548320. Its totient is φ = 134787086316.

The previous prime is 135544317313. The next prime is 135544317343. The reversal of 135544317317 is 713713445531.

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 135544317317 - 2² = 135544317313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135544317313) 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, 378615233 + ... + 378615590.

It is an arithmetic number, because the mean of its divisors is an integer number (34075387080).

Almost surely, 2^135544317317 is an apocalyptic number.

It is an amenable number.

135544317317 is a deficient number, since it is larger than the sum of its proper divisors (757231003).

135544317317 is an equidigital number, since it uses as much as digits as its factorization.

135544317317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757231002.

The product of its digits is 529200, while the sum is 44.

The spelling of 135544317317 in words is "one hundred thirty-five billion, five hundred forty-four million, three hundred seventeen thousand, three hundred seventeen".