135022131 has 12 divisors (see below), whose sum is σ = 196457352. Its totient is φ = 89356896.

The previous prime is 135022127. The next prime is 135022133. The reversal of 135022131 is 131220531.

It is not a de Polignac number, because 135022131 - 2² = 135022127 is a prime.

It is a super-2 number, since 2×135022131² = 36461951719562322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135022133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53521 + ... + 55986.

It is an arithmetic number, because the mean of its divisors is an integer number (16371446).

Almost surely, 2^135022131 is an apocalyptic number.

135022131 is a deficient number, since it is larger than the sum of its proper divisors (61435221).

135022131 is a wasteful number, since it uses less digits than its factorization.

135022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109650 (or 109647 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 135022131 is about 11619.9023661991. The cubic root of 135022131 is about 513.0208146770.

Adding to 135022131 its reverse (131220531), we get a palindrome (266242662).

The spelling of 135022131 in words is "one hundred thirty-five million, twenty-two thousand, one hundred thirty-one".