130235129 has 2 divisors, whose sum is σ = 130235130. Its totient is φ = 130235128.

The previous prime is 130235093. The next prime is 130235137. The reversal of 130235129 is 921532031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124099600 + 6135529 = 11140^2 + 2477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130235129 is a prime.

It is a super-2 number, since 2×130235129² = 33922377651293282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130235098 and 130235107.

It is not a weakly prime, because it can be changed into another prime (130235159) 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 as a sum of consecutive naturals, namely, 65117564 + 65117565.

It is an arithmetic number, because the mean of its divisors is an integer number (65117565).

Almost surely, 2^130235129 is an apocalyptic number.

It is an amenable number.

130235129 is a deficient number, since it is larger than the sum of its proper divisors (1).

130235129 is an equidigital number, since it uses as much as digits as its factorization.

130235129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 130235129 is about 11412.0606815772. The cubic root of 130235129 is about 506.8849322666.

The spelling of 130235129 in words is "one hundred thirty million, two hundred thirty-five thousand, one hundred twenty-nine".