129498733 has 16 divisors (see below), whose sum is σ = 160110720. Its totient is φ = 101992896.

The previous prime is 129498727. The next prime is 129498767. The reversal of 129498733 is 337894921.

It is a cyclic number.

It is not a de Polignac number, because 129498733 - 2⁹ = 129498221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129498703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17523 + ... + 23791.

It is an arithmetic number, because the mean of its divisors is an integer number (10006920).

Almost surely, 2^129498733 is an apocalyptic number.

129498733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

129498733 is a deficient number, since it is larger than the sum of its proper divisors (30611987).

129498733 is a wasteful number, since it uses less digits than its factorization.

129498733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6516.

The product of its digits is 326592, while the sum is 46.

The square root of 129498733 is about 11379.7510078209. The cubic root of 129498733 is about 505.9277563542.

The spelling of 129498733 in words is "one hundred twenty-nine million, four hundred ninety-eight thousand, seven hundred thirty-three".