129613573 has 8 divisors (see below), whose sum is σ = 140837120. Its totient is φ = 118830240.

The previous prime is 129613571. The next prime is 129613591. The reversal of 129613573 is 375316921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129613573 - 2¹ = 129613571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129613571) 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 in 7 ways as a sum of consecutive naturals, for example, 109440 + ... + 110617.

It is an arithmetic number, because the mean of its divisors is an integer number (17604640).

Almost surely, 2^129613573 is an apocalyptic number.

It is an amenable number.

129613573 is a deficient number, since it is larger than the sum of its proper divisors (11223547).

129613573 is a wasteful number, since it uses less digits than its factorization.

129613573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220107.

The product of its digits is 34020, while the sum is 37.

The square root of 129613573 is about 11384.7956942582. The cubic root of 129613573 is about 506.0772650945.

The spelling of 129613573 in words is "one hundred twenty-nine million, six hundred thirteen thousand, five hundred seventy-three".