131783140869940 has 48 divisors (see below), whose sum is σ = 320090134960512. Its totient is φ = 44638420173696.

The previous prime is 131783140869881. The next prime is 131783140869983. The reversal of 131783140869940 is 49968041387131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5670519399 + ... + 5670542638.

It is an arithmetic number, because the mean of its divisors is an integer number (6668544478344).

Almost surely, 2^{131783140869940} is an apocalyptic number.

131783140869940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131783140869940 is an abundant number, since it is smaller than the sum of its proper divisors (188306994090572).

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

131783140869940 is a wasteful number, since it uses less digits than its factorization.

131783140869940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11341062136 (or 11341062134 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 131783140869940 in words is "one hundred thirty-one trillion, seven hundred eighty-three billion, one hundred forty million, eight hundred sixty-nine thousand, nine hundred forty".