196446129 has 16 divisors (see below), whose sum is σ = 292711104. Its totient is φ = 116153600.

The previous prime is 196446113. The next prime is 196446157. The reversal of 196446129 is 921644691.

It is a cyclic number.

It is not a de Polignac number, because 196446129 - 2⁴ = 196446113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (196446829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71244 + ... + 73949.

It is an arithmetic number, because the mean of its divisors is an integer number (18294444).

Almost surely, 2^196446129 is an apocalyptic number.

It is an amenable number.

196446129 is a deficient number, since it is larger than the sum of its proper divisors (96264975).

196446129 is a wasteful number, since it uses less digits than its factorization.

196446129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145248.

The product of its digits is 93312, while the sum is 42.

The square root of 196446129 is about 14015.9241222261. The cubic root of 196446129 is about 581.3189652012.

The spelling of 196446129 in words is "one hundred ninety-six million, four hundred forty-six thousand, one hundred twenty-nine".