130646402305 has 4 divisors (see below), whose sum is σ = 156775682772. Its totient is φ = 104517121840.

The previous prime is 130646402291. The next prime is 130646402317. The reversal of 130646402305 is 503204646031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503204646031 = 6287 ⋅80038913.

It can be written as a sum of positive squares in 2 ways, for example, as 20125394496 + 110521007809 = 141864^2 + 332447^2 .

It is not a de Polignac number, because 130646402305 - 2⁵ = 130646402273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13064640226 + ... + 13064640235.

It is an arithmetic number, because the mean of its divisors is an integer number (39193920693).

Almost surely, 2^130646402305 is an apocalyptic number.

It is an amenable number.

130646402305 is a deficient number, since it is larger than the sum of its proper divisors (26129280467).

130646402305 is an equidigital number, since it uses as much as digits as its factorization.

130646402305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26129280466.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 130646402305 in words is "one hundred thirty billion, six hundred forty-six million, four hundred two thousand, three hundred five".