129703338 has 24 divisors (see below), whose sum is σ = 282754368. Its totient is φ = 42968232.

The previous prime is 129703337. The next prime is 129703363. The reversal of 129703338 is 833307921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (129703337) 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 in 11 ways as a sum of consecutive naturals, for example, 19170 + ... + 25037.

It is an arithmetic number, because the mean of its divisors is an integer number (11781432).

Almost surely, 2^129703338 is an apocalyptic number.

129703338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

129703338 is an abundant number, since it is smaller than the sum of its proper divisors (153051030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129703338 is a wasteful number, since it uses less digits than its factorization.

129703338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44378 (or 44375 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 129703338 is about 11388.7373312409. The cubic root of 129703338 is about 506.1940675289.

The spelling of 129703338 in words is "one hundred twenty-nine million, seven hundred three thousand, three hundred thirty-eight".