422135136 has 72 divisors (see below), whose sum is σ = 1241866080. Its totient is φ = 135856896.

The previous prime is 422135113. The next prime is 422135137. The reversal of 422135136 is 631531224.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422135137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16920 + ... + 33623.

It is an arithmetic number, because the mean of its divisors is an integer number (17248140).

Almost surely, 2^422135136 is an apocalyptic number.

It is an amenable number.

422135136 is an abundant number, since it is smaller than the sum of its proper divisors (819730944).

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

422135136 is a wasteful number, since it uses less digits than its factorization.

422135136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50588 (or 50577 counting only the distinct ones).

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

The square root of 422135136 is about 20545.9274796734. The cubic root of 422135136 is about 750.1541229926.

The spelling of 422135136 in words is "four hundred twenty-two million, one hundred thirty-five thousand, one hundred thirty-six".