136342566 has 24 divisors (see below), whose sum is σ = 295660560. Its totient is φ = 45408816.

The previous prime is 136342561. The next prime is 136342603. The reversal of 136342566 is 665243631.

136342566 is a `hidden beast` number, since 13 + 634 + 2 + 5 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 136342566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136342561) 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, 25320 + ... + 30228.

It is an arithmetic number, because the mean of its divisors is an integer number (12319190).

Almost surely, 2^136342566 is an apocalyptic number.

136342566 is an abundant number, since it is smaller than the sum of its proper divisors (159317994).

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

136342566 is a wasteful number, since it uses less digits than its factorization.

136342566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460 (or 6457 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 136342566 is about 11676.5819484985. The cubic root of 136342566 is about 514.6877373056.

The spelling of 136342566 in words is "one hundred thirty-six million, three hundred forty-two thousand, five hundred sixty-six".