131789280 has 192 divisors, whose sum is σ = 482969088. Its totient is φ = 29583360.

The previous prime is 131789279. The next prime is 131789347. The reversal of 131789280 is 82987131.

131789280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204639 + ... + 205281.

It is an arithmetic number, because the mean of its divisors is an integer number (2515464).

Almost surely, 2^131789280 is an apocalyptic number.

131789280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131789280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241484544).

131789280 is an abundant number, since it is smaller than the sum of its proper divisors (351179808).

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

131789280 is a wasteful number, since it uses less digits than its factorization.

131789280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 131789280 is about 11479.9512194086. The cubic root of 131789280 is about 508.8932555224.

The spelling of 131789280 in words is "one hundred thirty-one million, seven hundred eighty-nine thousand, two hundred eighty".