135311022 has 96 divisors (see below), whose sum is σ = 367960320. Its totient is φ = 34911360.

The previous prime is 135311021. The next prime is 135311039. The reversal of 135311022 is 220113531.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 135310986 and 135311004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135311021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 322729 + ... + 323147.

It is an arithmetic number, because the mean of its divisors is an integer number (3832920).

Almost surely, 2^135311022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135311022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183980160).

135311022 is an abundant number, since it is smaller than the sum of its proper divisors (232649298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135311022 is a wasteful number, since it uses less digits than its factorization.

135311022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 135311022 is about 11632.3265944522. The cubic root of 135311022 is about 513.3864375076.

Adding to 135311022 its reverse (220113531), we get a palindrome (355424553).

The spelling of 135311022 in words is "one hundred thirty-five million, three hundred eleven thousand, twenty-two".