130386481 has 4 divisors (see below), whose sum is σ = 138056292. Its totient is φ = 122716672.

The previous prime is 130386461. The next prime is 130386497. The reversal of 130386481 is 184683031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69155856 + 61230625 = 8316^2 + 7825^2 .

It is a cyclic number.

It is not a de Polignac number, because 130386481 - 2¹⁷ = 130255409 is a prime.

It is a super-3 number, since 3×130386481³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130386461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3834880 + ... + 3834913.

It is an arithmetic number, because the mean of its divisors is an integer number (34514073).

Almost surely, 2^130386481 is an apocalyptic number.

It is an amenable number.

130386481 is a deficient number, since it is larger than the sum of its proper divisors (7669811).

130386481 is an equidigital number, since it uses as much as digits as its factorization.

130386481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669810.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 130386481 is about 11418.6899861587. The cubic root of 130386481 is about 507.0812140453.

The spelling of 130386481 in words is "one hundred thirty million, three hundred eighty-six thousand, four hundred eighty-one".