130531960 has 64 divisors (see below), whose sum is σ = 318336480. Its totient is φ = 47884800.

The previous prime is 130531949. The next prime is 130531963. The reversal of 130531960 is 69135031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130531963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89235 + ... + 90685.

Almost surely, 2^130531960 is an apocalyptic number.

130531960 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 130531960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159168240).

130531960 is an abundant number, since it is smaller than the sum of its proper divisors (187804520).

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

130531960 is a wasteful number, since it uses less digits than its factorization.

130531960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 130531960 is about 11425.0584243583. The cubic root of 130531960 is about 507.2697362708.

Adding to 130531960 its reverse (69135031), we get a palindrome (199666991).

The spelling of 130531960 in words is "one hundred thirty million, five hundred thirty-one thousand, nine hundred sixty".