130945939 has 8 divisors (see below), whose sum is σ = 134777088. Its totient is φ = 127170120.

The previous prime is 130945937. The next prime is 130945943. The reversal of 130945939 is 939549031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130945939 - 2¹ = 130945937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130945895 and 130945904.

It is not an unprimeable number, because it can be changed into a prime (130945931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9007 + ... + 18520.

It is an arithmetic number, because the mean of its divisors is an integer number (16847136).

Almost surely, 2^130945939 is an apocalyptic number.

130945939 is a deficient number, since it is larger than the sum of its proper divisors (3831149).

130945939 is an equidigital number, since it uses as much as digits as its factorization.

130945939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27665.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 130945939 is about 11443.1612328063. The cubic root of 130945939 is about 507.8054349767.

The spelling of 130945939 in words is "one hundred thirty million, nine hundred forty-five thousand, nine hundred thirty-nine".