130928555 has 4 divisors (see below), whose sum is σ = 157114272. Its totient is φ = 104742840.

The previous prime is 130928549. The next prime is 130928569. The reversal of 130928555 is 555829031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555829031 = 277 ⋅2006603.

It is not a de Polignac number, because 130928555 - 2⁸ = 130928299 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13092851 + ... + 13092860.

It is an arithmetic number, because the mean of its divisors is an integer number (39278568).

Almost surely, 2^130928555 is an apocalyptic number.

130928555 is a deficient number, since it is larger than the sum of its proper divisors (26185717).

130928555 is an equidigital number, since it uses as much as digits as its factorization.

130928555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26185716.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 130928555 is about 11442.4016272809. The cubic root of 130928555 is about 507.7829623940.

The spelling of 130928555 in words is "one hundred thirty million, nine hundred twenty-eight thousand, five hundred fifty-five".