196132739939 has 4 divisors (see below), whose sum is σ = 198336478680. Its totient is φ = 193929001200.

The previous prime is 196132739921. The next prime is 196132739951. The reversal of 196132739939 is 939937231691.

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

It is a cyclic number.

It is not a de Polignac number, because 196132739939 - 2²⁰ = 196131691363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196132739989) 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, 1101869237 + ... + 1101869414.

It is an arithmetic number, because the mean of its divisors is an integer number (49584119670).

Almost surely, 2^196132739939 is an apocalyptic number.

196132739939 is a deficient number, since it is larger than the sum of its proper divisors (2203738741).

196132739939 is an equidigital number, since it uses as much as digits as its factorization.

196132739939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203738740.

The product of its digits is 14880348, while the sum is 62.

The spelling of 196132739939 in words is "one hundred ninety-six billion, one hundred thirty-two million, seven hundred thirty-nine thousand, nine hundred thirty-nine".