135944271 has 8 divisors (see below), whose sum is σ = 201398960. Its totient is φ = 90629496.

The previous prime is 135944267. The next prime is 135944287. The reversal of 135944271 is 172449531.

It is not a de Polignac number, because 135944271 - 2² = 135944267 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 (135944231) 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, 2517460 + ... + 2517513.

It is an arithmetic number, because the mean of its divisors is an integer number (25174870).

Almost surely, 2^135944271 is an apocalyptic number.

135944271 is a deficient number, since it is larger than the sum of its proper divisors (65454689).

135944271 is an equidigital number, since it uses as much as digits as its factorization.

135944271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034982 (or 5034976 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 135944271 is about 11659.5141837042. The cubic root of 135944271 is about 514.1860659116.

The spelling of 135944271 in words is "one hundred thirty-five million, nine hundred forty-four thousand, two hundred seventy-one".