136559442 has 8 divisors (see below), whose sum is σ = 273118896. Its totient is φ = 45519812.

The previous prime is 136559399. The next prime is 136559459. The reversal of 136559442 is 244955631.

It is a sphenic number, since it is the product of 3 distinct primes.

136559442 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 136559442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11379948 + ... + 11379959.

It is an arithmetic number, because the mean of its divisors is an integer number (34139862).

Almost surely, 2^136559442 is an apocalyptic number.

136559442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

136559442 is a wasteful number, since it uses less digits than its factorization.

136559442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22759912.

The product of its digits is 129600, while the sum is 39.

The square root of 136559442 is about 11685.8650514200. The cubic root of 136559442 is about 514.9604921463.

The spelling of 136559442 in words is "one hundred thirty-six million, five hundred fifty-nine thousand, four hundred forty-two".