129529470706 has 16 divisors (see below), whose sum is σ = 197533403928. Its totient is φ = 63685584000.

The previous prime is 129529470701. The next prime is 129529470751. The reversal of 129529470706 is 607074925921.

It can be written as a sum of positive squares in 4 ways, for example, as 31432098681 + 98097372025 = 177291^2 + 313205^2 .

It is not an unprimeable number, because it can be changed into a prime (129529470701) 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, 308086 + ... + 594958.

Almost surely, 2^129529470706 is an apocalyptic number.

129529470706 is a deficient number, since it is larger than the sum of its proper divisors (68003933222).

129529470706 is a wasteful number, since it uses less digits than its factorization.

129529470706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290637.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 129529470706 in words is "one hundred twenty-nine billion, five hundred twenty-nine million, four hundred seventy thousand, seven hundred six".