130141661 has 6 divisors (see below), whose sum is σ = 140922810. Its totient is φ = 120130608.

The previous prime is 130141657. The next prime is 130141673. The reversal of 130141661 is 166141031.

It can be written as a sum of positive squares in 3 ways, for example, as 4813636 + 125328025 = 2194^2 + 11195^2 .

It is not a de Polignac number, because 130141661 - 2² = 130141657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130141601) 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 5 ways as a sum of consecutive naturals, for example, 384866 + ... + 385203.

It is an arithmetic number, because the mean of its divisors is an integer number (23487135).

Almost surely, 2^130141661 is an apocalyptic number.

It is an amenable number.

130141661 is a deficient number, since it is larger than the sum of its proper divisors (10781149).

130141661 is an equidigital number, since it uses as much as digits as its factorization.

130141661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770095 (or 770082 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 130141661 is about 11407.9648053454. The cubic root of 130141661 is about 506.7636417469.

Adding to 130141661 its reverse (166141031), we get a palindrome (296282692).

The spelling of 130141661 in words is "one hundred thirty million, one hundred forty-one thousand, six hundred sixty-one".