196129871 has 8 divisors (see below), whose sum is σ = 231877920. Its totient is φ = 162314208.

The previous prime is 196129793. The next prime is 196129889. The reversal of 196129871 is 178921691.

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

It is a de Polignac number, because none of the positive numbers 2^k-196129871 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 (196129891) 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, 482876 + ... + 483281.

It is an arithmetic number, because the mean of its divisors is an integer number (28984740).

Almost surely, 2^196129871 is an apocalyptic number.

196129871 is a deficient number, since it is larger than the sum of its proper divisors (35748049).

196129871 is an equidigital number, since it uses as much as digits as its factorization.

196129871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966193.

The product of its digits is 54432, while the sum is 44.

The square root of 196129871 is about 14004.6374819201. The cubic root of 196129871 is about 581.0068431270.

The spelling of 196129871 in words is "one hundred ninety-six million, one hundred twenty-nine thousand, eight hundred seventy-one".