129786482 has 8 divisors (see below), whose sum is σ = 222491136. Its totient is φ = 55622772.

The previous prime is 129786439. The next prime is 129786499. The reversal of 129786482 is 284687921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4635218 + ... + 4635245.

It is an arithmetic number, because the mean of its divisors is an integer number (27811392).

Almost surely, 2^129786482 is an apocalyptic number.

129786482 is a deficient number, since it is larger than the sum of its proper divisors (92704654).

129786482 is an equidigital number, since it uses as much as digits as its factorization.

129786482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9270472.

The product of its digits is 387072, while the sum is 47.

The square root of 129786482 is about 11392.3870194091. The cubic root of 129786482 is about 506.3022066366.

The spelling of 129786482 in words is "one hundred twenty-nine million, seven hundred eighty-six thousand, four hundred eighty-two".