136780967836 has 12 divisors (see below), whose sum is σ = 239708163240. Its totient is φ = 68292921200.

The previous prime is 136780967809. The next prime is 136780967849. The reversal of 136780967836 is 638769087631.

It is a congruent 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, 24387526 + ... + 24393133.

It is an arithmetic number, because the mean of its divisors is an integer number (19975680270).

Almost surely, 2^136780967836 is an apocalyptic number.

It is an amenable number.

136780967836 is a deficient number, since it is larger than the sum of its proper divisors (102927195404).

136780967836 is a wasteful number, since it uses less digits than its factorization.

136780967836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48781364 (or 48781362 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 64.

The spelling of 136780967836 in words is "one hundred thirty-six billion, seven hundred eighty million, nine hundred sixty-seven thousand, eight hundred thirty-six".