129342316 has 6 divisors (see below), whose sum is σ = 226349060. Its totient is φ = 64671156.

The previous prime is 129342299. The next prime is 129342319. The reversal of 129342316 is 613243921.

It is not an unprimeable number, because it can be changed into a prime (129342319) 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, 16167786 + ... + 16167793.

Almost surely, 2^129342316 is an apocalyptic number.

It is an amenable number.

129342316 is a deficient number, since it is larger than the sum of its proper divisors (97006744).

129342316 is a wasteful number, since it uses less digits than its factorization.

129342316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32335583 (or 32335581 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 129342316 is about 11372.8763292318. The cubic root of 129342316 is about 505.7239767929.

The spelling of 129342316 in words is "one hundred twenty-nine million, three hundred forty-two thousand, three hundred sixteen".