131980 has 12 divisors (see below), whose sum is σ = 277200. Its totient is φ = 52784.

The previous prime is 131969. The next prime is 132001. The reversal of 131980 is 89131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3280 + ... + 3319.

It is an arithmetic number, because the mean of its divisors is an integer number (23100).

2¹³¹⁹⁸⁰ is an apocalyptic number.

131980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131980 is an abundant number, since it is smaller than the sum of its proper divisors (145220).

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

131980 is a wasteful number, since it uses less digits than its factorization.

131980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608 (or 6606 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 131980 is about 363.2905173549. The cubic root of 131980 is about 50.9138620297.

Subtracting from 131980 its reverse (89131), we obtain a square (42849 = 207²).

It can be divided in two parts, 131 and 980, that added together give a palindrome (1111).

The spelling of 131980 in words is "one hundred thirty-one thousand, nine hundred eighty".