196157306439 has 6 divisors (see below), whose sum is σ = 283338331536. Its totient is φ = 130771537620.

The previous prime is 196157306437. The next prime is 196157306461. The reversal of 196157306439 is 934603751691.

196157306439 is a `hidden beast` number, since 1 + 9 + 6 + 1 + 573 + 0 + 64 + 3 + 9 = 666.

It is not a de Polignac number, because 196157306439 - 2¹ = 196157306437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196157306437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10897628127 + ... + 10897628144.

It is an arithmetic number, because the mean of its divisors is an integer number (47223055256).

Almost surely, 2^196157306439 is an apocalyptic number.

196157306439 is a deficient number, since it is larger than the sum of its proper divisors (87181025097).

196157306439 is a wasteful number, since it uses less digits than its factorization.

196157306439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21795256277 (or 21795256274 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 196157306439 in words is "one hundred ninety-six billion, one hundred fifty-seven million, three hundred six thousand, four hundred thirty-nine".