136542422 has 4 divisors (see below), whose sum is σ = 204813636. Its totient is φ = 68271210.

The previous prime is 136542409. The next prime is 136542431. The reversal of 136542422 is 224245631.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 34135604 + ... + 34135607.

It is an arithmetic number, because the mean of its divisors is an integer number (51203409).

Almost surely, 2^136542422 is an apocalyptic number.

136542422 is a deficient number, since it is larger than the sum of its proper divisors (68271214).

136542422 is an equidigital number, since it uses as much as digits as its factorization.

136542422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68271213.

The product of its digits is 11520, while the sum is 29.

The square root of 136542422 is about 11685.1367985146. The cubic root of 136542422 is about 514.9390973320.

The spelling of 136542422 in words is "one hundred thirty-six million, five hundred forty-two thousand, four hundred twenty-two".