135234729 has 24 divisors (see below), whose sum is σ = 223891200. Its totient is φ = 77053248.

The previous prime is 135234721. The next prime is 135234731. The reversal of 135234729 is 927432531.

It is not a de Polignac number, because 135234729 - 2³ = 135234721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135234693 and 135234702.

It is not an unprimeable number, because it can be changed into a prime (135234721) 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 23 ways as a sum of consecutive naturals, for example, 20197 + ... + 26045.

It is an arithmetic number, because the mean of its divisors is an integer number (9328800).

Almost surely, 2^135234729 is an apocalyptic number.

It is an amenable number.

135234729 is a deficient number, since it is larger than the sum of its proper divisors (88656471).

135234729 is a wasteful number, since it uses less digits than its factorization.

135234729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6229 (or 6226 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 135234729 is about 11629.0467795086. The cubic root of 135234729 is about 513.2899310674.

The spelling of 135234729 in words is "one hundred thirty-five million, two hundred thirty-four thousand, seven hundred twenty-nine".