135271023 has 8 divisors (see below), whose sum is σ = 190970928. Its totient is φ = 84875904.

The previous prime is 135271021. The next prime is 135271039. The reversal of 135271023 is 320172531.

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

It is not a de Polignac number, because 135271023 - 2¹ = 135271021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135270984 and 135271002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135271021) 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, 1326136 + ... + 1326237.

It is an arithmetic number, because the mean of its divisors is an integer number (23871366).

Almost surely, 2^135271023 is an apocalyptic number.

135271023 is a deficient number, since it is larger than the sum of its proper divisors (55699905).

135271023 is a wasteful number, since it uses less digits than its factorization.

135271023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652393.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 135271023 is about 11630.6071638586. The cubic root of 135271023 is about 513.3358455022.

The spelling of 135271023 in words is "one hundred thirty-five million, two hundred seventy-one thousand, twenty-three".