136406406768 has 20 divisors (see below), whose sum is σ = 352383217608. Its totient is φ = 45468802240.

The previous prime is 136406406749. The next prime is 136406406769. The reversal of 136406406768 is 867604604631.

It is a self number, because there is not a number n which added to its sum of digits gives 136406406768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136406406769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420900023 + ... + 1420900118.

Almost surely, 2^136406406768 is an apocalyptic number.

It is an amenable number.

136406406768 is an abundant number, since it is smaller than the sum of its proper divisors (215976810840).

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

136406406768 is a wasteful number, since it uses less digits than its factorization.

136406406768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841800152 (or 2841800146 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 136406406768 in words is "one hundred thirty-six billion, four hundred six million, four hundred six thousand, seven hundred sixty-eight".