135243822 has 24 divisors (see below), whose sum is σ = 314649576. Its totient is φ = 38641008.

The previous prime is 135243817. The next prime is 135243833. The reversal of 135243822 is 228342531.

It is a self number, because there is not a number n which added to its sum of digits gives 135243822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229713 + ... + 230300.

It is an arithmetic number, because the mean of its divisors is an integer number (13110399).

Almost surely, 2^135243822 is an apocalyptic number.

135243822 is an abundant number, since it is smaller than the sum of its proper divisors (179405754).

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

135243822 is a wasteful number, since it uses less digits than its factorization.

135243822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460032 (or 460025 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 135243822 is about 11629.4377336138. The cubic root of 135243822 is about 513.3014351162.

The spelling of 135243822 in words is "one hundred thirty-five million, two hundred forty-three thousand, eight hundred twenty-two".