196534872142 has 24 divisors (see below), whose sum is σ = 346138299864. Its totient is φ = 83442037392.

The previous prime is 196534872139. The next prime is 196534872173. The reversal of 196534872142 is 241278435691.

It is a self number, because there is not a number n which added to its sum of digits gives 196534872142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9360813 + ... + 9381784.

It is an arithmetic number, because the mean of its divisors is an integer number (14422429161).

Almost surely, 2^196534872142 is an apocalyptic number.

196534872142 is a deficient number, since it is larger than the sum of its proper divisors (149603427722).

196534872142 is a wasteful number, since it uses less digits than its factorization.

196534872142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18742720 (or 18742713 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The spelling of 196534872142 in words is "one hundred ninety-six billion, five hundred thirty-four million, eight hundred seventy-two thousand, one hundred forty-two".