139630016242 has 8 divisors (see below), whose sum is σ = 209493870300. Its totient is φ = 69798726144.

The previous prime is 139630016221. The next prime is 139630016311. The reversal of 139630016242 is 242610036931.

It is a Cunningham number, because it is equal to 373671²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 139630016241 + 1 = 373671^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8130267 + ... + 8147422.

Almost surely, 2^139630016242 is an apocalyptic number.

139630016242 is a deficient number, since it is larger than the sum of its proper divisors (69863854058).

139630016242 is a wasteful number, since it uses less digits than its factorization.

139630016242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16281980.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 139630016242 in words is "one hundred thirty-nine billion, six hundred thirty million, sixteen thousand, two hundred forty-two".