129449362 has 16 divisors (see below), whose sum is σ = 222152832. Its totient is φ = 55418400.

The previous prime is 129449357. The next prime is 129449429. The reversal of 129449362 is 263944921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9987 + ... + 18937.

It is an arithmetic number, because the mean of its divisors is an integer number (13884552).

Almost surely, 2^129449362 is an apocalyptic number.

129449362 is a deficient number, since it is larger than the sum of its proper divisors (92703470).

129449362 is a wasteful number, since it uses less digits than its factorization.

129449362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9993.

The product of its digits is 93312, while the sum is 40.

The square root of 129449362 is about 11377.5815532124. The cubic root of 129449362 is about 505.8634537065.

The spelling of 129449362 in words is "one hundred twenty-nine million, four hundred forty-nine thousand, three hundred sixty-two".