129407862208 has 28 divisors (see below), whose sum is σ = 265077399232. Its totient is φ = 62616706560.

The previous prime is 129407862197. The next prime is 129407862209. The reversal of 129407862208 is 802268704921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129407862209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32610885 + ... + 32614852.

Almost surely, 2^129407862208 is an apocalyptic number.

It is an amenable number.

129407862208 is an abundant number, since it is smaller than the sum of its proper divisors (135669537024).

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

129407862208 is an equidigital number, since it uses as much as digits as its factorization.

129407862208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65225780 (or 65225770 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 129407862208 in words is "one hundred twenty-nine billion, four hundred seven million, eight hundred sixty-two thousand, two hundred eight".