136742242186 has 16 divisors (see below), whose sum is σ = 225975482208. Its totient is φ = 61540162000.

The previous prime is 136742242111. The next prime is 136742242187. The reversal of 136742242186 is 681242247631.

It is not an unprimeable number, because it can be changed into a prime (136742242187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30767860 + ... + 30772303.

It is an arithmetic number, because the mean of its divisors is an integer number (14123467638).

Almost surely, 2^136742242186 is an apocalyptic number.

136742242186 is a deficient number, since it is larger than the sum of its proper divisors (89233240022).

136742242186 is a wasteful number, since it uses less digits than its factorization.

136742242186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61540277.

The product of its digits is 774144, while the sum is 46.

Subtracting 136742242186 from its reverse (681242247631), we obtain a palindrome (544500005445).

The spelling of 136742242186 in words is "one hundred thirty-six billion, seven hundred forty-two million, two hundred forty-two thousand, one hundred eighty-six".