130206605 has 8 divisors (see below), whose sum is σ = 156585312. Its totient is φ = 103940368.

The previous prime is 130206599. The next prime is 130206613. The reversal of 130206605 is 506602031.

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 130206605 - 2¹² = 130202509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25547 + ... + 30216.

It is an arithmetic number, because the mean of its divisors is an integer number (19573164).

Almost surely, 2^130206605 is an apocalyptic number.

It is an amenable number.

130206605 is a deficient number, since it is larger than the sum of its proper divisors (26378707).

130206605 is an equidigital number, since it uses as much as digits as its factorization.

130206605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56235.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 130206605 is about 11410.8108826674. The cubic root of 130206605 is about 506.8479237124.

Adding to 130206605 its reverse (506602031), we get a palindrome (636808636).

The spelling of 130206605 in words is "one hundred thirty million, two hundred six thousand, six hundred five".