196489133 has 4 divisors (see below), whose sum is σ = 197332668. Its totient is φ = 195645600.

The previous prime is 196489121. The next prime is 196489147. The reversal of 196489133 is 331984691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67848169 + 128640964 = 8237^2 + 11342^2 .

It is a cyclic number.

It is not a de Polignac number, because 196489133 - 2¹⁶ = 196423597 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 (196489103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421418 + ... + 421883.

It is an arithmetic number, because the mean of its divisors is an integer number (49333167).

Almost surely, 2^196489133 is an apocalyptic number.

It is an amenable number.

196489133 is a deficient number, since it is larger than the sum of its proper divisors (843535).

196489133 is an equidigital number, since it uses as much as digits as its factorization.

196489133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843534.

The product of its digits is 139968, while the sum is 44.

The square root of 196489133 is about 14017.4581504637. The cubic root of 196489133 is about 581.3613809293.

The spelling of 196489133 in words is "one hundred ninety-six million, four hundred eighty-nine thousand, one hundred thirty-three".