129100830746 has 8 divisors (see below), whose sum is σ = 194071315284. Its totient is φ = 64410392320.

The previous prime is 129100830673. The next prime is 129100830769. The reversal of 129100830746 is 647038001921.

It can be written as a sum of positive squares in 2 ways, for example, as 118078140625 + 11022690121 = 343625^2 + 104989^2 .

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, 70010375 + ... + 70012218.

Almost surely, 2^129100830746 is an apocalyptic number.

129100830746 is a deficient number, since it is larger than the sum of its proper divisors (64970484538).

129100830746 is a wasteful number, since it uses less digits than its factorization.

129100830746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140023056.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 129100830746 in words is "one hundred twenty-nine billion, one hundred million, eight hundred thirty thousand, seven hundred forty-six".