135029236 has 12 divisors (see below), whose sum is σ = 242064900. Its totient is φ = 65867840.

The previous prime is 135029233. The next prime is 135029267. The reversal of 135029236 is 632920531.

It can be written as a sum of positive squares in 2 ways, for example, as 10929636 + 124099600 = 3306^2 + 11140^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135029198 and 135029207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135029231) 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 3 ways as a sum of consecutive naturals, for example, 411511 + ... + 411838.

It is an arithmetic number, because the mean of its divisors is an integer number (20172075).

Almost surely, 2^135029236 is an apocalyptic number.

It is an amenable number.

135029236 is a deficient number, since it is larger than the sum of its proper divisors (107035664).

135029236 is a wasteful number, since it uses less digits than its factorization.

135029236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823394 (or 823392 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 135029236 is about 11620.2080876377. The cubic root of 135029236 is about 513.0298130759.

Adding to 135029236 its reverse (632920531), we get a palindrome (767949767).

The spelling of 135029236 in words is "one hundred thirty-five million, twenty-nine thousand, two hundred thirty-six".