129089336 has 8 divisors (see below), whose sum is σ = 242042520. Its totient is φ = 64544664.

The previous prime is 129089333. The next prime is 129089339. The reversal of 129089336 is 633980921.

It is an interprime number because it is at equal distance from previous prime (129089333) and next prime (129089339).

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 129089293 and 129089302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129089333) by changing a digit.

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 as a sum of consecutive naturals, namely, 8068076 + ... + 8068091.

It is an arithmetic number, because the mean of its divisors is an integer number (30255315).

Almost surely, 2^129089336 is an apocalyptic number.

It is an amenable number.

129089336 is a deficient number, since it is larger than the sum of its proper divisors (112953184).

129089336 is a wasteful number, since it uses less digits than its factorization.

129089336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16136173 (or 16136169 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 129089336 is about 11361.7488090522. The cubic root of 129089336 is about 505.3940472501.

The spelling of 129089336 in words is "one hundred twenty-nine million, eighty-nine thousand, three hundred thirty-six".