130320940 has 12 divisors (see below), whose sum is σ = 273674016. Its totient is φ = 52128368.

The previous prime is 130320937. The next prime is 130320941. The reversal of 130320940 is 49023031.

130320940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (130320941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3258004 + ... + 3258043.

It is an arithmetic number, because the mean of its divisors is an integer number (22806168).

Almost surely, 2^130320940 is an apocalyptic number.

130320940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130320940 is an abundant number, since it is smaller than the sum of its proper divisors (143353076).

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

130320940 is a wasteful number, since it uses less digits than its factorization.

130320940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6516056 (or 6516054 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 130320940 is about 11415.8197252760. The cubic root of 130320940 is about 506.9962354498.

Adding to 130320940 its reverse (49023031), we get a palindrome (179343971).

The spelling of 130320940 in words is "one hundred thirty million, three hundred twenty thousand, nine hundred forty".