135513222 has 32 divisors (see below), whose sum is σ = 309046752. Its totient is φ = 39243264.

The previous prime is 135513211. The next prime is 135513247. The reversal of 135513222 is 222315531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 135513192 and 135513201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49773 + ... + 52424.

It is an arithmetic number, because the mean of its divisors is an integer number (9657711).

Almost surely, 2^135513222 is an apocalyptic number.

135513222 is an abundant number, since it is smaller than the sum of its proper divisors (173533530).

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

135513222 is a wasteful number, since it uses less digits than its factorization.

135513222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102232.

The product of its digits is 1800, while the sum is 24.

The square root of 135513222 is about 11641.0146464988. The cubic root of 135513222 is about 513.6420340133.

Adding to 135513222 its reverse (222315531), we get a palindrome (357828753).

The spelling of 135513222 in words is "one hundred thirty-five million, five hundred thirteen thousand, two hundred twenty-two".