136642042266 has 16 divisors (see below), whose sum is σ = 273613749600. Its totient is φ = 45492403248.

The previous prime is 136642042223. The next prime is 136642042267. The reversal of 136642042266 is 662240246631.

It is not an unprimeable number, because it can be changed into a prime (136642042267) 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, 13730656 + ... + 13740603.

It is an arithmetic number, because the mean of its divisors is an integer number (17100859350).

Almost surely, 2^136642042266 is an apocalyptic number.

136642042266 is an abundant number, since it is smaller than the sum of its proper divisors (136971707334).

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

136642042266 is a wasteful number, since it uses less digits than its factorization.

136642042266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27472093.

The product of its (nonzero) digits is 497664, while the sum is 42.

Adding to 136642042266 its reverse (662240246631), we get a palindrome (798882288897).

The spelling of 136642042266 in words is "one hundred thirty-six billion, six hundred forty-two million, forty-two thousand, two hundred sixty-six".