135282531 has 8 divisors (see below), whose sum is σ = 182163024. Its totient is φ = 89295200.

The previous prime is 135282517. The next prime is 135282547.

135282531 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 135282531 - 2⁶ = 135282467 is a prime.

It is a super-2 number, since 2×135282531² = 36602726387531922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135282571) 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, 222936 + ... + 223541.

It is an arithmetic number, because the mean of its divisors is an integer number (22770378).

Almost surely, 2^135282531 is an apocalyptic number.

135282531 is a deficient number, since it is larger than the sum of its proper divisors (46880493).

135282531 is a wasteful number, since it uses less digits than its factorization.

135282531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446581.

The product of its digits is 7200, while the sum is 30.

The square root of 135282531 is about 11631.1018824529. The cubic root of 135282531 is about 513.3504022079.

The spelling of 135282531 in words is "one hundred thirty-five million, two hundred eighty-two thousand, five hundred thirty-one".