131706878941 has 16 divisors (see below), whose sum is σ = 147443587200. Its totient is φ = 116607673600.

The previous prime is 131706878857. The next prime is 131706878983. The reversal of 131706878941 is 149878607131.

131706878941 is a nontrivial binomial coefficient, being equal to C(513239, 2).

It is not a de Polignac number, because 131706878941 - 2⁷ = 131706878813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131706878341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1 + ... + 513238.

It is an arithmetic number, because the mean of its divisors is an integer number (9215224200).

Almost surely, 2^131706878941 is an apocalyptic number.

131706878941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131706878941 is the 513238-th triangular number.

131706878941 is the 171080-th centered nonagonal number.

It is an amenable number.

131706878941 is a deficient number, since it is larger than the sum of its proper divisors (15736708259).

131706878941 is a wasteful number, since it uses less digits than its factorization.

131706878941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513860.

The product of its (nonzero) digits is 2032128, while the sum is 55.

The spelling of 131706878941 in words is "one hundred thirty-one billion, seven hundred six million, eight hundred seventy-eight thousand, nine hundred forty-one".