135225318 has 32 divisors (see below), whose sum is σ = 294508800. Its totient is φ = 41229216.

The previous prime is 135225287. The next prime is 135225319. The reversal of 135225318 is 813522531.

It is a super-2 number, since 2×135225318² = 36571773256402248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135225319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17146 + ... + 23757.

It is an arithmetic number, because the mean of its divisors is an integer number (9203400).

Almost surely, 2^135225318 is an apocalyptic number.

135225318 is an abundant number, since it is smaller than the sum of its proper divisors (159283482).

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

135225318 is a wasteful number, since it uses less digits than its factorization.

135225318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40956.

The product of its digits is 7200, while the sum is 30.

The square root of 135225318 is about 11628.6421391322. The cubic root of 135225318 is about 513.2780241565.

Adding to 135225318 its reverse (813522531), we get a palindrome (948747849).

The spelling of 135225318 in words is "one hundred thirty-five million, two hundred twenty-five thousand, three hundred eighteen".