129934543 has 2 divisors, whose sum is σ = 129934544. Its totient is φ = 129934542.

The previous prime is 129934537. The next prime is 129934583. The reversal of 129934543 is 345439921.

It is an a-pointer prime, because the next prime (129934583) can be obtained adding 129934543 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129934543 - 2⁹ = 129934031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 129934496 and 129934505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129934513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64967271 + 64967272.

It is an arithmetic number, because the mean of its divisors is an integer number (64967272).

Almost surely, 2^129934543 is an apocalyptic number.

129934543 is a deficient number, since it is larger than the sum of its proper divisors (1).

129934543 is an equidigital number, since it uses as much as digits as its factorization.

129934543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 40.

The square root of 129934543 is about 11398.8834102293. The cubic root of 129934543 is about 506.4946640781.

The spelling of 129934543 in words is "one hundred twenty-nine million, nine hundred thirty-four thousand, five hundred forty-three".