196564042 has 4 divisors (see below), whose sum is σ = 294846066. Its totient is φ = 98282020.

The previous prime is 196564037. The next prime is 196564061. The reversal of 196564042 is 240465691.

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

It can be written as a sum of positive squares in only one way, i.e., 150038001 + 46526041 = 12249^2 + 6821^2 .

It is a junction number, because it is equal to n+sod(n) for n = 196563992 and 196564010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49141009 + ... + 49141012.

Almost surely, 2^196564042 is an apocalyptic number.

196564042 is a deficient number, since it is larger than the sum of its proper divisors (98282024).

196564042 is an equidigital number, since it uses as much as digits as its factorization.

196564042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98282023.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 196564042 is about 14020.1298852757. The cubic root of 196564042 is about 581.4352504372.

The spelling of 196564042 in words is "one hundred ninety-six million, five hundred sixty-four thousand, forty-two".