131636676906 has 48 divisors (see below), whose sum is σ = 340285294080. Its totient is φ = 37610478360.

The previous prime is 131636676901. The next prime is 131636676923. The reversal of 131636676906 is 609676636131.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (131636676901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24872010 + ... + 24877301.

It is an arithmetic number, because the mean of its divisors is an integer number (7089276960).

Almost surely, 2^131636676906 is an apocalyptic number.

131636676906 is an abundant number, since it is smaller than the sum of its proper divisors (208648617174).

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

131636676906 is a wasteful number, since it uses less digits than its factorization.

131636676906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49749336 (or 49749323 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The spelling of 131636676906 in words is "one hundred thirty-one billion, six hundred thirty-six million, six hundred seventy-six thousand, nine hundred six".