196135395787 has 2 divisors, whose sum is σ = 196135395788. Its totient is φ = 196135395786.

The previous prime is 196135395737. The next prime is 196135395857. The reversal of 196135395787 is 787593531691.

196135395787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196135395787 - 2¹⁵ = 196135363019 is a prime.

It is not a weakly prime, because it can be changed into another prime (196135395737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98067697893 + 98067697894.

It is an arithmetic number, because the mean of its divisors is an integer number (98067697894).

Almost surely, 2^196135395787 is an apocalyptic number.

196135395787 is a deficient number, since it is larger than the sum of its proper divisors (1).

196135395787 is an equidigital number, since it uses as much as digits as its factorization.

196135395787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42865200, while the sum is 64.

The spelling of 196135395787 in words is "one hundred ninety-six billion, one hundred thirty-five million, three hundred ninety-five thousand, seven hundred eighty-seven".