129358404 has 96 divisors (see below), whose sum is σ = 386355200. Its totient is φ = 36663840.

The previous prime is 129358393. The next prime is 129358459. The reversal of 129358404 is 404853921.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104469 + ... + 105699.

Almost surely, 2^129358404 is an apocalyptic number.

129358404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129358404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193177600).

129358404 is an abundant number, since it is smaller than the sum of its proper divisors (256996796).

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

129358404 is a wasteful number, since it uses less digits than its factorization.

129358404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 129358404 is about 11373.5836041241. The cubic root of 129358404 is about 505.7449437646.

The spelling of 129358404 in words is "one hundred twenty-nine million, three hundred fifty-eight thousand, four hundred four".