129458388 has 12 divisors (see below), whose sum is σ = 302069600. Its totient is φ = 43152792.

The previous prime is 129458377. The next prime is 129458389. The reversal of 129458388 is 883854921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129458389) 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, 5394088 + ... + 5394111.

Almost surely, 2^129458388 is an apocalyptic number.

It is an amenable number.

129458388 is an abundant number, since it is smaller than the sum of its proper divisors (172611212).

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

129458388 is a wasteful number, since it uses less digits than its factorization.

129458388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10788206 (or 10788204 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 129458388 is about 11377.9782035298. The cubic root of 129458388 is about 505.8752107296.

The spelling of 129458388 in words is "one hundred twenty-nine million, four hundred fifty-eight thousand, three hundred eighty-eight".