136556622 has 12 divisors (see below), whose sum is σ = 295872720. Its totient is φ = 45518868.

The previous prime is 136556599. The next prime is 136556639. The reversal of 136556622 is 226655631.

It is a happy number.

136556622 is a `hidden beast` number, since 13 + 65 + 566 + 22 = 666.

It is a super-2 number, since 2×136556622² = 37295422024101768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3793222 + ... + 3793257.

It is an arithmetic number, because the mean of its divisors is an integer number (24656060).

Almost surely, 2^136556622 is an apocalyptic number.

136556622 is an abundant number, since it is smaller than the sum of its proper divisors (159316098).

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

136556622 is a wasteful number, since it uses less digits than its factorization.

136556622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7586487 (or 7586484 counting only the distinct ones).

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

The square root of 136556622 is about 11685.7443922071. The cubic root of 136556622 is about 514.9569474175.

Subtracting 136556622 from its reverse (226655631), we obtain a palindrome (90099009).

The spelling of 136556622 in words is "one hundred thirty-six million, five hundred fifty-six thousand, six hundred twenty-two".