130661081 has 8 divisors (see below), whose sum is σ = 140465280. Its totient is φ = 121149648.

The previous prime is 130661053. The next prime is 130661123. The reversal of 130661081 is 180166031.

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

It is a cyclic number.

It is not a de Polignac number, because 130661081 - 2¹⁴ = 130644697 is a prime.

It is a super-2 number, since 2×130661081² = 34144636176177122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130661081.

It is not an unprimeable number, because it can be changed into a prime (130661051) 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, 72266 + ... + 74051.

It is an arithmetic number, because the mean of its divisors is an integer number (17558160).

Almost surely, 2^130661081 is an apocalyptic number.

It is an amenable number.

130661081 is a deficient number, since it is larger than the sum of its proper divisors (9804199).

130661081 is a wasteful number, since it uses less digits than its factorization.

130661081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146383.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 130661081 is about 11430.7078083555. The cubic root of 130661081 is about 507.4369433170.

The spelling of 130661081 in words is "one hundred thirty million, six hundred sixty-one thousand, eighty-one".