131980387889 has 8 divisors (see below), whose sum is σ = 151482090240. Its totient is φ = 112640525856.

The previous prime is 131980387849. The next prime is 131980387897. The reversal of 131980387889 is 988783089131.

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 131980387889 - 2⁸ = 131980387633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131980387849) 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, 40458329 + ... + 40461590.

It is an arithmetic number, because the mean of its divisors is an integer number (18935261280).

Almost surely, 2^131980387889 is an apocalyptic number.

It is an amenable number.

131980387889 is a deficient number, since it is larger than the sum of its proper divisors (19501702351).

131980387889 is an equidigital number, since it uses as much as digits as its factorization.

131980387889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80920159.

The product of its (nonzero) digits is 20901888, while the sum is 65.

The spelling of 131980387889 in words is "one hundred thirty-one billion, nine hundred eighty million, three hundred eighty-seven thousand, eight hundred eighty-nine".