130821486 has 8 divisors (see below), whose sum is σ = 261642984. Its totient is φ = 43607160.

The previous prime is 130821463. The next prime is 130821487. The reversal of 130821486 is 684128031.

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

130821486 is an admirable number.

It is a super-3 number, since 3×130821486³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130821487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10901785 + ... + 10901796.

It is an arithmetic number, because the mean of its divisors is an integer number (32705373).

Almost surely, 2^130821486 is an apocalyptic number.

130821486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

130821486 is a wasteful number, since it uses less digits than its factorization.

130821486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21803586.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 130821486 is about 11437.7220634180. The cubic root of 130821486 is about 507.6445086630.

The spelling of 130821486 in words is "one hundred thirty million, eight hundred twenty-one thousand, four hundred eighty-six".