130520827 has 4 divisors (see below), whose sum is σ = 130606960. Its totient is φ = 130434696.

The previous prime is 130520813. The next prime is 130520857. The reversal of 130520827 is 728025031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130520827 - 2¹⁹ = 129996539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130520795 and 130520804.

It is not an unprimeable number, because it can be changed into a prime (130520857) by changing a digit.

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, 40752 + ... + 43837.

It is an arithmetic number, because the mean of its divisors is an integer number (32651740).

Almost surely, 2^130520827 is an apocalyptic number.

130520827 is a deficient number, since it is larger than the sum of its proper divisors (86133).

130520827 is an equidigital number, since it uses as much as digits as its factorization.

130520827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86132.

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

The square root of 130520827 is about 11424.5711954541. The cubic root of 130520827 is about 507.2553142739.

Adding to 130520827 its reverse (728025031), we get a palindrome (858545858).

The spelling of 130520827 in words is "one hundred thirty million, five hundred twenty thousand, eight hundred twenty-seven".