130505886 has 24 divisors (see below), whose sum is σ = 323157744. Its totient is φ = 37287360.

The previous prime is 130505839. The next prime is 130505909. The reversal of 130505886 is 688505031.

It is a super-3 number, since 3×130505886³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130505886.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 517755 + ... + 518006.

It is an arithmetic number, because the mean of its divisors is an integer number (13464906).

Almost surely, 2^130505886 is an apocalyptic number.

130505886 is an abundant number, since it is smaller than the sum of its proper divisors (192651858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130505886 is a wasteful number, since it uses less digits than its factorization.

130505886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035776 (or 1035773 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 130505886 is about 11423.9172791123. The cubic root of 130505886 is about 507.2359579994.

The spelling of 130505886 in words is "one hundred thirty million, five hundred five thousand, eight hundred eighty-six".