129347660132 has 12 divisors (see below), whose sum is σ = 227006999100. Its totient is φ = 64488517536.

The previous prime is 129347660111. The next prime is 129347660137. The reversal of 129347660132 is 231066743921.

It can be written as a sum of positive squares in 2 ways, for example, as 52764846436 + 76582813696 = 229706^2 + 276736^2 .

It is not an unprimeable number, because it can be changed into a prime (129347660137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46326563 + ... + 46329354.

It is an arithmetic number, because the mean of its divisors is an integer number (18917249925).

Almost surely, 2^129347660132 is an apocalyptic number.

It is an amenable number.

129347660132 is a deficient number, since it is larger than the sum of its proper divisors (97659338968).

129347660132 is a wasteful number, since it uses less digits than its factorization.

129347660132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92656270 (or 92656268 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 129347660132 in words is "one hundred twenty-nine billion, three hundred forty-seven million, six hundred sixty thousand, one hundred thirty-two".