136864683782668 has 24 divisors (see below), whose sum is σ = 240188655329280. Its totient is φ = 68239571636880.

The previous prime is 136864683782627. The next prime is 136864683782669. The reversal of 136864683782668 is 866287386468631.

It is a junction number, because it is equal to n+sod(n) for n = 136864683782591 and 136864683782600.

It is not an unprimeable number, because it can be changed into a prime (136864683782669) 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, 24730696 + ... + 29754607.

It is an arithmetic number, because the mean of its divisors is an integer number (10007860638720).

Almost surely, 2^{136864683782668} is an apocalyptic number.

It is an amenable number.

136864683782668 is a deficient number, since it is larger than the sum of its proper divisors (103323971546612).

136864683782668 is a wasteful number, since it uses less digits than its factorization.

136864683782668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54487077 (or 54487075 counting only the distinct ones).

The product of its digits is 16052649984, while the sum is 82.

The spelling of 136864683782668 in words is "one hundred thirty-six trillion, eight hundred sixty-four billion, six hundred eighty-three million, seven hundred eighty-two thousand, six hundred sixty-eight".