130605839 has 8 divisors (see below), whose sum is σ = 160745760. Its totient is φ = 103336416.

The previous prime is 130605817. The next prime is 130605859. The reversal of 130605839 is 938506031.

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 130605839 - 2¹² = 130601743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130605799 and 130605808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130605859) 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, 717524 + ... + 717705.

It is an arithmetic number, because the mean of its divisors is an integer number (20093220).

Almost surely, 2^130605839 is an apocalyptic number.

130605839 is a deficient number, since it is larger than the sum of its proper divisors (30139921).

130605839 is a wasteful number, since it uses less digits than its factorization.

130605839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435249.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 130605839 is about 11428.2911670993. The cubic root of 130605839 is about 507.3654204048.

The spelling of 130605839 in words is "one hundred thirty million, six hundred five thousand, eight hundred thirty-nine".