130229861 has 2 divisors, whose sum is σ = 130229862. Its totient is φ = 130229860.

The previous prime is 130229837. The next prime is 130229881. The reversal of 130229861 is 168922031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119464900 + 10764961 = 10930^2 + 3281^2 .

It is a cyclic number.

It is not a de Polignac number, because 130229861 - 2¹⁴ = 130213477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130229831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65114930 + 65114931.

It is an arithmetic number, because the mean of its divisors is an integer number (65114931).

Almost surely, 2^130229861 is an apocalyptic number.

It is an amenable number.

130229861 is a deficient number, since it is larger than the sum of its proper divisors (1).

130229861 is an equidigital number, since it uses as much as digits as its factorization.

130229861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 130229861 is about 11411.8298707964. The cubic root of 130229861 is about 506.8780976902.

The spelling of 130229861 in words is "one hundred thirty million, two hundred twenty-nine thousand, eight hundred sixty-one".