131889686443 has 8 divisors (see below), whose sum is σ = 132583975088. Its totient is φ = 131195510784.

The previous prime is 131889686413. The next prime is 131889686449. The reversal of 131889686443 is 344686988131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131889686443 - 2⁹ = 131889685931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131889686449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3398155 + ... + 3436747.

It is an arithmetic number, because the mean of its divisors is an integer number (16572996886).

Almost surely, 2^131889686443 is an apocalyptic number.

131889686443 is a deficient number, since it is larger than the sum of its proper divisors (694288645).

131889686443 is a wasteful number, since it uses less digits than its factorization.

131889686443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56493.

The product of its digits is 23887872, while the sum is 61.

The spelling of 131889686443 in words is "one hundred thirty-one billion, eight hundred eighty-nine million, six hundred eighty-six thousand, four hundred forty-three".