129927086116 has 27 divisors (see below), whose sum is σ = 233731671537. Its totient is φ = 63194795280.

The previous prime is 129927086099. The next prime is 129927086171. The reversal of 129927086116 is 611680729921.

The square root of 129927086116 is 360454.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 116260540900 + 13666545216 = 340970^2 + 116904^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26671161 + ... + 26676031.

Almost surely, 2^129927086116 is an apocalyptic number.

129927086116 is the 360454-th square number.

It is an amenable number.

129927086116 is a deficient number, since it is larger than the sum of its proper divisors (103804585421).

129927086116 is an frugal number, since it uses more digits than its factorization.

129927086116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9820 (or 4910 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 129927086116 in words is "one hundred twenty-nine billion, nine hundred twenty-seven million, eighty-six thousand, one hundred sixteen".