130609994 has 8 divisors (see below), whose sum is σ = 198598980. Its totient is φ = 64410336.

The previous prime is 130609993. The next prime is 130610003. The reversal of 130609994 is 499906031.

It can be written as a sum of positive squares in 2 ways, for example, as 116359369 + 14250625 = 10787^2 + 3775^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130609993) 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, 447149 + ... + 447440.

Almost surely, 2^130609994 is an apocalyptic number.

130609994 is a deficient number, since it is larger than the sum of its proper divisors (67988986).

130609994 is an equidigital number, since it uses as much as digits as its factorization.

130609994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894664.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 130609994 is about 11428.4729513614. The cubic root of 130609994 is about 507.3708006670.

The spelling of 130609994 in words is "one hundred thirty million, six hundred nine thousand, nine hundred ninety-four".