131636636050 has 12 divisors (see below), whose sum is σ = 244844143146. Its totient is φ = 52654654400.

The previous prime is 131636636041. The next prime is 131636636051. The reversal of 131636636050 is 50636636131.

It can be written as a sum of positive squares in 3 ways, for example, as 67573482601 + 64063153449 = 259949^2 + 253107^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131636635994 and 131636636012.

It is not an unprimeable number, because it can be changed into a prime (131636636051) 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 5 ways as a sum of consecutive naturals, for example, 1316366311 + ... + 1316366410.

Almost surely, 2^131636636050 is an apocalyptic number.

131636636050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131636636050 is a deficient number, since it is larger than the sum of its proper divisors (113207507096).

131636636050 is a wasteful number, since it uses less digits than its factorization.

131636636050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632732733 (or 2632732728 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 40.

The spelling of 131636636050 in words is "one hundred thirty-one billion, six hundred thirty-six million, six hundred thirty-six thousand, fifty".