129394956304 has 40 divisors (see below), whose sum is σ = 260335571832. Its totient is φ = 62254817280.

The previous prime is 129394956287. The next prime is 129394956307. The reversal of 129394956304 is 403659493921.

129394956304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21771592704 + 107623363600 = 147552^2 + 328060^2 .

It is not an unprimeable number, because it can be changed into a prime (129394956307) 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, 1303129 + ... + 1398904.

Almost surely, 2^129394956304 is an apocalyptic number.

It is an amenable number.

129394956304 is an abundant number, since it is smaller than the sum of its proper divisors (130940615528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129394956304 is a wasteful number, since it uses less digits than its factorization.

129394956304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702155 (or 2702149 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 55.

The spelling of 129394956304 in words is "one hundred twenty-nine billion, three hundred ninety-four million, nine hundred fifty-six thousand, three hundred four".