131068011636 has 72 divisors (see below), whose sum is σ = 332100568800. Its totient is φ = 43585329600.

The previous prime is 131068011589. The next prime is 131068011673. The reversal of 131068011636 is 636110860131.

131068011636 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 6 + 8 + 0 + 11 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 131068011636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37033555 + ... + 37037093.

It is an arithmetic number, because the mean of its divisors is an integer number (4612507900).

Almost surely, 2^131068011636 is an apocalyptic number.

It is an amenable number.

131068011636 is an abundant number, since it is smaller than the sum of its proper divisors (201032557164).

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

131068011636 is a wasteful number, since it uses less digits than its factorization.

131068011636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709 (or 5704 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

Adding to 131068011636 its reverse (636110860131), we get a palindrome (767178871767).

The spelling of 131068011636 in words is "one hundred thirty-one billion, sixty-eight million, eleven thousand, six hundred thirty-six".