135545271 has 8 divisors (see below), whose sum is σ = 181448064. Its totient is φ = 90003000.

The previous prime is 135545269. The next prime is 135545273. The reversal of 135545271 is 172545531.

It is an interprime number because it is at equal distance from previous prime (135545269) and next prime (135545273).

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

It is not a de Polignac number, because 135545271 - 2¹ = 135545269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135545273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89251 + ... + 90756.

It is an arithmetic number, because the mean of its divisors is an integer number (22681008).

Almost surely, 2^135545271 is an apocalyptic number.

135545271 is a deficient number, since it is larger than the sum of its proper divisors (45902793).

135545271 is a wasteful number, since it uses less digits than its factorization.

135545271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180261.

The product of its digits is 21000, while the sum is 33.

The square root of 135545271 is about 11642.3911203842. The cubic root of 135545271 is about 513.6825230906.

The spelling of 135545271 in words is "one hundred thirty-five million, five hundred forty-five thousand, two hundred seventy-one".