130540661 has 8 divisors (see below), whose sum is σ = 132269760. Its totient is φ = 128817568.

The previous prime is 130540609. The next prime is 130540681. The reversal of 130540661 is 166045031.

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-130540661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 130540661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130540681) 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, 56450 + ... + 58716.

It is an arithmetic number, because the mean of its divisors is an integer number (16533720).

Almost surely, 2^130540661 is an apocalyptic number.

It is an amenable number.

130540661 is a deficient number, since it is larger than the sum of its proper divisors (1729099).

130540661 is an equidigital number, since it uses as much as digits as its factorization.

130540661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 130540661 is about 11425.4392038118. The cubic root of 130540661 is about 507.2810072165.

Adding to 130540661 its reverse (166045031), we get a palindrome (296585692).

The spelling of 130540661 in words is "one hundred thirty million, five hundred forty thousand, six hundred sixty-one".