135303171 has 4 divisors (see below), whose sum is σ = 180404232. Its totient is φ = 90202112.

The previous prime is 135303163. The next prime is 135303211. The reversal of 135303171 is 171303531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135303171 - 2³ = 135303163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135303101) 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, 22550526 + ... + 22550531.

It is an arithmetic number, because the mean of its divisors is an integer number (45101058).

Almost surely, 2^135303171 is an apocalyptic number.

135303171 is a deficient number, since it is larger than the sum of its proper divisors (45101061).

135303171 is an equidigital number, since it uses as much as digits as its factorization.

135303171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45101060.

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 135303171 is about 11631.9891248230. The cubic root of 135303171 is about 513.3765081000.

The spelling of 135303171 in words is "one hundred thirty-five million, three hundred three thousand, one hundred seventy-one".