129573339 has 8 divisors (see below), whose sum is σ = 197445120. Its totient is φ = 74041896.

The previous prime is 129573307. The next prime is 129573347. The reversal of 129573339 is 933375921.

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

It is not a de Polignac number, because 129573339 - 2⁵ = 129573307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129573339.

It is not an unprimeable number, because it can be changed into a prime (129573139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3085059 + ... + 3085100.

It is an arithmetic number, because the mean of its divisors is an integer number (24680640).

Almost surely, 2^129573339 is an apocalyptic number.

129573339 is a deficient number, since it is larger than the sum of its proper divisors (67871781).

129573339 is an equidigital number, since it uses as much as digits as its factorization.

129573339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6170169.

The product of its digits is 153090, while the sum is 42.

The square root of 129573339 is about 11383.0285513127. The cubic root of 129573339 is about 506.0248950137.

The spelling of 129573339 in words is "one hundred twenty-nine million, five hundred seventy-three thousand, three hundred thirty-nine".