135644022 has 24 divisors (see below), whose sum is σ = 294129576. Its totient is φ = 45178656.

The previous prime is 135644017. The next prime is 135644029. The reversal of 135644022 is 220446531.

135644022 is a `hidden beast` number, since 13 + 5 + 644 + 0 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135644029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30058 + ... + 34274.

It is an arithmetic number, because the mean of its divisors is an integer number (12255399).

Almost surely, 2^135644022 is an apocalyptic number.

135644022 is an abundant number, since it is smaller than the sum of its proper divisors (158485554).

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

135644022 is a wasteful number, since it uses less digits than its factorization.

135644022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012 (or 6009 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 135644022 is about 11646.6313584658. The cubic root of 135644022 is about 513.8072399682.

The spelling of 135644022 in words is "one hundred thirty-five million, six hundred forty-four thousand, twenty-two".