135058281 has 8 divisors (see below), whose sum is σ = 180657984. Its totient is φ = 89748720.

The previous prime is 135058279. The next prime is 135058283. The reversal of 135058281 is 182850531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (135058279) and next prime (135058283).

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

It is not a de Polignac number, because 135058281 - 2¹ = 135058279 is a prime.

It is a super-2 number, since 2×135058281² = 36481478533349922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135058283) 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, 71446 + ... + 73311.

It is an arithmetic number, because the mean of its divisors is an integer number (22582248).

Almost surely, 2^135058281 is an apocalyptic number.

It is an amenable number.

135058281 is a deficient number, since it is larger than the sum of its proper divisors (45599703).

135058281 is a wasteful number, since it uses less digits than its factorization.

135058281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145071.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 135058281 is about 11621.4577829117. The cubic root of 135058281 is about 513.0665949440.

The spelling of 135058281 in words is "one hundred thirty-five million, fifty-eight thousand, two hundred eighty-one".