129296434 has 8 divisors (see below), whose sum is σ = 194116608. Its totient is φ = 64590900.

The previous prime is 129296429. The next prime is 129296449. The reversal of 129296434 is 434692921.

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, 25782 + ... + 30385.

It is an arithmetic number, because the mean of its divisors is an integer number (24264576).

Almost surely, 2^129296434 is an apocalyptic number.

129296434 is a deficient number, since it is larger than the sum of its proper divisors (64820174).

129296434 is a wasteful number, since it uses less digits than its factorization.

129296434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57320.

The product of its digits is 93312, while the sum is 40.

The square root of 129296434 is about 11370.8589825044. The cubic root of 129296434 is about 505.6641707102.

The spelling of 129296434 in words is "one hundred twenty-nine million, two hundred ninety-six thousand, four hundred thirty-four".