129009482 has 16 divisors (see below), whose sum is σ = 222046272. Its totient is φ = 55068000.

The previous prime is 129009479. The next prime is 129009497. The reversal of 129009482 is 284900921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14843 + ... + 21870.

It is an arithmetic number, because the mean of its divisors is an integer number (13877892).

Almost surely, 2^129009482 is an apocalyptic number.

129009482 is a deficient number, since it is larger than the sum of its proper divisors (93036790).

129009482 is a wasteful number, since it uses less digits than its factorization.

129009482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36973.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 129009482 is about 11358.2341057050. The cubic root of 129009482 is about 505.2898143675.

The spelling of 129009482 in words is "one hundred twenty-nine million, nine thousand, four hundred eighty-two".