135671313 has 8 divisors (see below), whose sum is σ = 181214176. Its totient is φ = 90288000.

The previous prime is 135671299. The next prime is 135671323. The reversal of 135671313 is 313176531.

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

It is not a de Polignac number, because 135671313 - 2²⁰ = 134622737 is a prime.

It is a super-2 number, since 2×135671313² = 36813410342287938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135671323) 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, 37888 + ... + 41313.

It is an arithmetic number, because the mean of its divisors is an integer number (22651772).

Almost surely, 2^135671313 is an apocalyptic number.

It is an amenable number.

135671313 is a deficient number, since it is larger than the sum of its proper divisors (45542863).

135671313 is an equidigital number, since it uses as much as digits as its factorization.

135671313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79775.

The product of its digits is 5670, while the sum is 30.

The square root of 135671313 is about 11647.8029258740. The cubic root of 135671313 is about 513.8416962676.

The spelling of 135671313 in words is "one hundred thirty-five million, six hundred seventy-one thousand, three hundred thirteen".