135656622 has 24 divisors (see below), whose sum is σ = 306702864. Its totient is φ = 43252704.

The previous prime is 135656597. The next prime is 135656629. The reversal of 135656622 is 226656531.

It is a happy number.

135656622 is a `hidden beast` number, since 13 + 565 + 66 + 22 = 666.

135656622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135656629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163423 + ... + 164250.

It is an arithmetic number, because the mean of its divisors is an integer number (12779286).

Almost surely, 2^135656622 is an apocalyptic number.

135656622 is an abundant number, since it is smaller than the sum of its proper divisors (171046242).

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

135656622 is a wasteful number, since it uses less digits than its factorization.

135656622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327704 (or 327701 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 135656622 is about 11647.1722748485. The cubic root of 135656622 is about 513.8231486943.

Subtracting 135656622 from its reverse (226656531), we obtain a palindrome (90999909).

The spelling of 135656622 in words is "one hundred thirty-five million, six hundred fifty-six thousand, six hundred twenty-two".