130528027 has 4 divisors (see below), whose sum is σ = 149174896. Its totient is φ = 111881160.

The previous prime is 130528019. The next prime is 130528037. The reversal of 130528027 is 720825031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720825031 = 8867 ⋅81293.

It is a cyclic number.

It is not a de Polignac number, because 130528027 - 2³ = 130528019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130527986 and 130528004.

It is not an unprimeable number, because it can be changed into a prime (130528037) by changing a digit.

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, 9323424 + ... + 9323437.

It is an arithmetic number, because the mean of its divisors is an integer number (37293724).

Almost surely, 2^130528027 is an apocalyptic number.

130528027 is a deficient number, since it is larger than the sum of its proper divisors (18646869).

130528027 is an equidigital number, since it uses as much as digits as its factorization.

130528027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18646868.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 130528027 is about 11424.8863014036. The cubic root of 130528027 is about 507.2646414472.

The spelling of 130528027 in words is "one hundred thirty million, five hundred twenty-eight thousand, twenty-seven".