130528813 has 8 divisors (see below), whose sum is σ = 131459328. Its totient is φ = 129601824.

The previous prime is 130528807. The next prime is 130528819. The reversal of 130528813 is 318825031.

It is an interprime number because it is at equal distance from previous prime (130528807) and next prime (130528819).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130528813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130528819) 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 7 ways as a sum of consecutive naturals, for example, 151881 + ... + 152737.

It is an arithmetic number, because the mean of its divisors is an integer number (16432416).

Almost surely, 2^130528813 is an apocalyptic number.

It is an amenable number.

130528813 is a deficient number, since it is larger than the sum of its proper divisors (930515).

130528813 is an equidigital number, since it uses as much as digits as its factorization.

130528813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 130528813 is about 11424.9206999436. The cubic root of 130528813 is about 507.2656596429.

The spelling of 130528813 in words is "one hundred thirty million, five hundred twenty-eight thousand, eight hundred thirteen".