135665222 has 48 divisors (see below), whose sum is σ = 259709328. Its totient is φ = 52557120.

The previous prime is 135665221. The next prime is 135665239. The reversal of 135665222 is 222566531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135665221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341528 + ... + 341924.

It is an arithmetic number, because the mean of its divisors is an integer number (5410611).

Almost surely, 2^135665222 is an apocalyptic number.

135665222 is a deficient number, since it is larger than the sum of its proper divisors (124044106).

135665222 is a wasteful number, since it uses less digits than its factorization.

135665222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 734 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 135665222 is about 11647.5414573205. The cubic root of 135665222 is about 513.8340064656.

The spelling of 135665222 in words is "one hundred thirty-five million, six hundred sixty-five thousand, two hundred twenty-two".