136685886743 has 32 divisors (see below), whose sum is σ = 178160394240. Its totient is φ = 102070932480.

The previous prime is 136685886739. The next prime is 136685886751. The reversal of 136685886743 is 347688586631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 136685886743 - 2² = 136685886739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136685886743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136685886343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 720638 + ... + 890331.

It is an arithmetic number, because the mean of its divisors is an integer number (5567512320).

Almost surely, 2^136685886743 is an apocalyptic number.

136685886743 is a deficient number, since it is larger than the sum of its proper divisors (41474507497).

136685886743 is a wasteful number, since it uses less digits than its factorization.

136685886743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611047.

The product of its digits is 139345920, while the sum is 65.

The spelling of 136685886743 in words is "one hundred thirty-six billion, six hundred eighty-five million, eight hundred eighty-six thousand, seven hundred forty-three".