129708034 has 8 divisors (see below), whose sum is σ = 195286140. Its totient is φ = 64612656.

The previous prime is 129708031. The next prime is 129708043. The reversal of 129708034 is 430807921.

It can be written as a sum of positive squares in 2 ways, for example, as 122434225 + 7273809 = 11065^2 + 2697^2 .

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

It is not an unprimeable number, because it can be changed into a prime (129708031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120009 + ... + 121084.

Almost surely, 2^129708034 is an apocalyptic number.

129708034 is a deficient number, since it is larger than the sum of its proper divisors (65578106).

129708034 is a wasteful number, since it uses less digits than its factorization.

129708034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241364.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 129708034 is about 11388.9434979721. The cubic root of 129708034 is about 506.2001764918.

The spelling of 129708034 in words is "one hundred twenty-nine million, seven hundred eight thousand, thirty-four".