129675613 has 2 divisors, whose sum is σ = 129675614. Its totient is φ = 129675612.

The previous prime is 129675583. The next prime is 129675653. The reversal of 129675613 is 316576921.

It is an a-pointer prime, because the next prime (129675653) can be obtained adding 129675613 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96000804 + 33674809 = 9798^2 + 5803^2 .

It is a cyclic number.

It is not a de Polignac number, because 129675613 - 2⁹ = 129675101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129675653) 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, 64837806 + 64837807.

It is an arithmetic number, because the mean of its divisors is an integer number (64837807).

Almost surely, 2^129675613 is an apocalyptic number.

It is an amenable number.

129675613 is a deficient number, since it is larger than the sum of its proper divisors (1).

129675613 is an equidigital number, since it uses as much as digits as its factorization.

129675613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 129675613 is about 11387.5200548671. The cubic root of 129675613 is about 506.1579974456.

The spelling of 129675613 in words is "one hundred twenty-nine million, six hundred seventy-five thousand, six hundred thirteen".