129846413 has 2 divisors, whose sum is σ = 129846414. Its totient is φ = 129846412.

The previous prime is 129846407. The next prime is 129846481. The reversal of 129846413 is 314648921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127735204 + 2111209 = 11302^2 + 1453^2 .

It is an emirp because it is prime and its reverse (314648921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129846413 - 2⁴ = 129846397 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 (129845413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64923206 + 64923207.

It is an arithmetic number, because the mean of its divisors is an integer number (64923207).

Almost surely, 2^129846413 is an apocalyptic number.

It is an amenable number.

129846413 is a deficient number, since it is larger than the sum of its proper divisors (1).

129846413 is an equidigital number, since it uses as much as digits as its factorization.

129846413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 129846413 is about 11395.0170249983. The cubic root of 129846413 is about 506.3801257126.

The spelling of 129846413 in words is "one hundred twenty-nine million, eight hundred forty-six thousand, four hundred thirteen".