130917940 has 12 divisors (see below), whose sum is σ = 274927716. Its totient is φ = 52367168.

The previous prime is 130917907. The next prime is 130917959. The reversal of 130917940 is 49719031.

It can be written as a sum of positive squares in 2 ways, for example, as 17623204 + 113294736 = 4198^2 + 10644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130917896 and 130917905.

It is a congruent number.

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, 3272929 + ... + 3272968.

It is an arithmetic number, because the mean of its divisors is an integer number (22910643).

Almost surely, 2^130917940 is an apocalyptic number.

130917940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130917940 is an abundant number, since it is smaller than the sum of its proper divisors (144009776).

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

130917940 is a wasteful number, since it uses less digits than its factorization.

130917940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6545906 (or 6545904 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 130917940 is about 11441.9377729474. The cubic root of 130917940 is about 507.7692392307.

The spelling of 130917940 in words is "one hundred thirty million, nine hundred seventeen thousand, nine hundred forty".