131890291872 has 24 divisors (see below), whose sum is σ = 346212016416. Its totient is φ = 43963430592.

The previous prime is 131890291859. The next prime is 131890291877. The reversal of 131890291872 is 278192098131.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (131890291877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686928508 + ... + 686928699.

It is an arithmetic number, because the mean of its divisors is an integer number (14425500684).

Almost surely, 2^131890291872 is an apocalyptic number.

131890291872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131890291872 is an abundant number, since it is smaller than the sum of its proper divisors (214321724544).

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

131890291872 is a wasteful number, since it uses less digits than its factorization.

131890291872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373857220 (or 1373857212 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 51.

The spelling of 131890291872 in words is "one hundred thirty-one billion, eight hundred ninety million, two hundred ninety-one thousand, eight hundred seventy-two".