135422136 has 192 divisors, whose sum is σ = 415134720. Its totient is φ = 39674880.

The previous prime is 135422123. The next prime is 135422143. The reversal of 135422136 is 631224531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1631551 + ... + 1631633.

It is an arithmetic number, because the mean of its divisors is an integer number (2162160).

Almost surely, 2^135422136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135422136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207567360).

135422136 is an abundant number, since it is smaller than the sum of its proper divisors (279712584).

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

135422136 is a wasteful number, since it uses less digits than its factorization.

135422136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 179 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 135422136 is about 11637.1017010250. The cubic root of 135422136 is about 513.5269257261.

Adding to 135422136 its reverse (631224531), we get a palindrome (766646667).

The spelling of 135422136 in words is "one hundred thirty-five million, four hundred twenty-two thousand, one hundred thirty-six".