130356581 has 8 divisors (see below), whose sum is σ = 134723328. Its totient is φ = 126000000.

The previous prime is 130356553. The next prime is 130356601. The reversal of 130356581 is 185653031.

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-130356581 is a prime.

It is a super-2 number, since 2×130356581² = 33985676420019122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130356481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30581 + ... + 34581.

It is an arithmetic number, because the mean of its divisors is an integer number (16840416).

Almost surely, 2^130356581 is an apocalyptic number.

It is an amenable number.

130356581 is a deficient number, since it is larger than the sum of its proper divisors (4366747).

130356581 is a wasteful number, since it uses less digits than its factorization.

130356581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 130356581 is about 11417.3806540730. The cubic root of 130356581 is about 507.0424500894.

The spelling of 130356581 in words is "one hundred thirty million, three hundred fifty-six thousand, five hundred eighty-one".