136106802081 has 96 divisors (see below), whose sum is σ = 222740643840. Its totient is φ = 79667546112.

The previous prime is 136106802077. The next prime is 136106802131. The reversal of 136106802081 is 180208601631.

136106802081 is a `hidden beast` number, since 13 + 610 + 6 + 8 + 0 + 20 + 8 + 1 = 666.

It is not a de Polignac number, because 136106802081 - 2² = 136106802077 is a prime.

It is a super-2 number, since 2×136106802081² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136106802001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21474945 + ... + 21481281.

It is an arithmetic number, because the mean of its divisors is an integer number (2320215040).

Almost surely, 2^136106802081 is an apocalyptic number.

It is an amenable number.

136106802081 is a deficient number, since it is larger than the sum of its proper divisors (86633841759).

136106802081 is a wasteful number, since it uses less digits than its factorization.

136106802081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555 (or 6552 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 136106802081 in words is "one hundred thirty-six billion, one hundred six million, eight hundred two thousand, eighty-one".