129934573 has 4 divisors (see below), whose sum is σ = 130507200. Its totient is φ = 129361948.

The previous prime is 129934543. The next prime is 129934583. The reversal of 129934573 is 375439921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129934573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129934513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285973 + ... + 286426.

It is an arithmetic number, because the mean of its divisors is an integer number (32626800).

Almost surely, 2^129934573 is an apocalyptic number.

It is an amenable number.

129934573 is a deficient number, since it is larger than the sum of its proper divisors (572627).

129934573 is an equidigital number, since it uses as much as digits as its factorization.

129934573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572626.

The product of its digits is 204120, while the sum is 43.

The square root of 129934573 is about 11398.8847261476. The cubic root of 129934573 is about 506.4947030588.

The spelling of 129934573 in words is "one hundred twenty-nine million, nine hundred thirty-four thousand, five hundred seventy-three".