129334849 has 8 divisors (see below), whose sum is σ = 148458560. Its totient is φ = 110372976.

The previous prime is 129334847. The next prime is 129334879. The reversal of 129334849 is 948433921.

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

It is not a de Polignac number, because 129334849 - 2¹ = 129334847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129334847) 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, 38739 + ... + 41944.

It is an arithmetic number, because the mean of its divisors is an integer number (18557320).

Almost surely, 2^129334849 is an apocalyptic number.

It is an amenable number.

129334849 is a deficient number, since it is larger than the sum of its proper divisors (19123711).

129334849 is an equidigital number, since it uses as much as digits as its factorization.

129334849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80919.

The product of its digits is 186624, while the sum is 43.

The square root of 129334849 is about 11372.5480434246. The cubic root of 129334849 is about 505.7142447018.

The spelling of 129334849 in words is "one hundred twenty-nine million, three hundred thirty-four thousand, eight hundred forty-nine".