135511122 has 8 divisors (see below), whose sum is σ = 271022256. Its totient is φ = 45170372.

The previous prime is 135511091. The next prime is 135511127. The reversal of 135511122 is 221115531.

It is a sphenic number, since it is the product of 3 distinct primes.

135511122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (135511127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11292588 + ... + 11292599.

It is an arithmetic number, because the mean of its divisors is an integer number (33877782).

Almost surely, 2^135511122 is an apocalyptic number.

135511122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

135511122 is a wasteful number, since it uses less digits than its factorization.

135511122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22585192.

The product of its digits is 300, while the sum is 21.

The square root of 135511122 is about 11640.9244478263. The cubic root of 135511122 is about 513.6393807572.

Adding to 135511122 its reverse (221115531), we get a palindrome (356626653).

The spelling of 135511122 in words is "one hundred thirty-five million, five hundred eleven thousand, one hundred twenty-two".