135681705816202 has 32 divisors (see below), whose sum is σ = 254595685083264. Its totient is φ = 52796340216000.

The previous prime is 135681705816199. The next prime is 135681705816271. The reversal of 135681705816202 is 202618507186531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6110676424 + ... + 6110698627.

It is an arithmetic number, because the mean of its divisors is an integer number (7956115158852).

Almost surely, 2^{135681705816202} is an apocalyptic number.

135681705816202 is a deficient number, since it is larger than the sum of its proper divisors (118913979267062).

135681705816202 is a wasteful number, since it uses less digits than its factorization.

135681705816202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12221375134.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 135681705816202 in words is "one hundred thirty-five trillion, six hundred eighty-one billion, seven hundred five million, eight hundred sixteen thousand, two hundred two".