196129 has 8 divisors (see below), whose sum is σ = 211680. Its totient is φ = 181056.

The previous prime is 196117. The next prime is 196139. The reversal of 196129 is 921691.

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-196129 is a prime.

It is a Duffinian number.

196129 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 196097 and 196106.

It is not an unprimeable number, because it can be changed into a prime (196139) 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, 1342 + ... + 1480.

It is an arithmetic number, because the mean of its divisors is an integer number (26460).

2¹⁹⁶¹²⁹ is an apocalyptic number.

It is an amenable number.

196129 is a deficient number, since it is larger than the sum of its proper divisors (15551).

196129 is a wasteful number, since it uses less digits than its factorization.

196129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239.

The product of its digits is 972, while the sum is 28.

The square root of 196129 is about 442.8645391087. The cubic root of 196129 is about 58.1005983055.

It can be divided in two parts, 196 and 129, that added together give a triangular number (325 = T₂₅).

The spelling of 196129 in words is "one hundred ninety-six thousand, one hundred twenty-nine".