129348197 has 8 divisors (see below), whose sum is σ = 141619872. Its totient is φ = 117162000.

The previous prime is 129348187. The next prime is 129348203. The reversal of 129348197 is 791843921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129348197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129348137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18179 + ... + 24272.

It is an arithmetic number, because the mean of its divisors is an integer number (17702484).

Almost surely, 2^129348197 is an apocalyptic number.

It is an amenable number.

129348197 is a deficient number, since it is larger than the sum of its proper divisors (12271675).

129348197 is a wasteful number, since it uses less digits than its factorization.

129348197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42739.

The product of its digits is 108864, while the sum is 44.

The square root of 129348197 is about 11373.1348800584. The cubic root of 129348197 is about 505.7316415122.

The spelling of 129348197 in words is "one hundred twenty-nine million, three hundred forty-eight thousand, one hundred ninety-seven".