135321122 has 16 divisors (see below), whose sum is σ = 217869912. Its totient is φ = 62807040.

The previous prime is 135321103. The next prime is 135321149. The reversal of 135321122 is 221123531.

It can be written as a sum of positive squares in 4 ways, for example, as 126315121 + 9006001 = 11239^2 + 3001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135321094 and 135321103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24779 + ... + 29742.

Almost surely, 2^135321122 is an apocalyptic number.

135321122 is a deficient number, since it is larger than the sum of its proper divisors (82548790).

135321122 is a wasteful number, since it uses less digits than its factorization.

135321122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54613.

The product of its digits is 360, while the sum is 20.

The square root of 135321122 is about 11632.7607213421. The cubic root of 135321122 is about 513.3992107317.

Adding to 135321122 its reverse (221123531), we get a palindrome (356444653).

The spelling of 135321122 in words is "one hundred thirty-five million, three hundred twenty-one thousand, one hundred twenty-two".