136844081776 has 40 divisors (see below), whose sum is σ = 270892215360. Its totient is φ = 66937657344.

The previous prime is 136844081711. The next prime is 136844081797. The reversal of 136844081776 is 677180448631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779940 + ... + 1855228.

It is an arithmetic number, because the mean of its divisors is an integer number (6772305384).

Almost surely, 2^136844081776 is an apocalyptic number.

136844081776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136844081776 is a deficient number, since it is larger than the sum of its proper divisors (134048133584).

136844081776 is a wasteful number, since it uses less digits than its factorization.

136844081776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77761 (or 77755 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 136844081776 in words is "one hundred thirty-six billion, eight hundred forty-four million, eighty-one thousand, seven hundred seventy-six".