135681705816186 has 8 divisors (see below), whose sum is σ = 271363411632384. Its totient is φ = 45227235272060.

The previous prime is 135681705816161. The next prime is 135681705816193. The reversal of 135681705816186 is 681618507186531.

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

135681705816186 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11306808818010 + ... + 11306808818021.

It is an arithmetic number, because the mean of its divisors is an integer number (33920426454048).

Almost surely, 2^{135681705816186} is an apocalyptic number.

135681705816186 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.

135681705816186 is a wasteful number, since it uses less digits than its factorization.

135681705816186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22613617636036.

The product of its (nonzero) digits is 58060800, while the sum is 66.

The spelling of 135681705816186 in words is "one hundred thirty-five trillion, six hundred eighty-one billion, seven hundred five million, eight hundred sixteen thousand, one hundred eighty-six".