129334994 has 8 divisors (see below), whose sum is σ = 194259708. Its totient is φ = 64581760.

The previous prime is 129334939. The next prime is 129335039. The reversal of 129334994 is 499433921.

It can be written as a sum of positive squares in 2 ways, for example, as 91450969 + 37884025 = 9563^2 + 6155^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40967 + ... + 44010.

Almost surely, 2^129334994 is an apocalyptic number.

129334994 is a deficient number, since it is larger than the sum of its proper divisors (64924714).

129334994 is an equidigital number, since it uses as much as digits as its factorization.

129334994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85740.

The product of its digits is 209952, while the sum is 44.

The square root of 129334994 is about 11372.5544184233. The cubic root of 129334994 is about 505.7144336906.

The spelling of 129334994 in words is "one hundred twenty-nine million, three hundred thirty-four thousand, nine hundred ninety-four".