129343068 has 36 divisors (see below), whose sum is σ = 339062360. Its totient is φ = 43114032.

The previous prime is 129342979. The next prime is 129343087. The reversal of 129343068 is 860343921.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 65563 + ... + 67506.

Almost surely, 2^129343068 is an apocalyptic number.

129343068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

129343068 is an abundant number, since it is smaller than the sum of its proper divisors (209719292).

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

129343068 is a wasteful number, since it uses less digits than its factorization.

129343068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133088 (or 133074 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 129343068 is about 11372.9093903011. The cubic root of 129343068 is about 505.7249568890.

Adding to 129343068 its reverse (860343921), we get a palindrome (989686989).

The spelling of 129343068 in words is "one hundred twenty-nine million, three hundred forty-three thousand, sixty-eight".