139630016205 has 144 divisors (see below), whose sum is σ = 266892537600. Its totient is φ = 67436328960.

The previous prime is 139630016179. The next prime is 139630016209. The reversal of 139630016205 is 502610036931.

139630016205 is a `hidden beast` number, since 1 + 3 + 9 + 630 + 0 + 16 + 2 + 0 + 5 = 666.

It is not a de Polignac number, because 139630016205 - 2¹³ = 139630008013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139630016205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139630016209) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 162549066 + ... + 162549924.

It is an arithmetic number, because the mean of its divisors is an integer number (1853420400).

Almost surely, 2^139630016205 is an apocalyptic number.

139630016205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

139630016205 is a deficient number, since it is larger than the sum of its proper divisors (127262521395).

139630016205 is a wasteful number, since it uses less digits than its factorization.

139630016205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

Adding to 139630016205 its sum of digits (36), we get a square (139630016241 = 373671²).

The spelling of 139630016205 in words is "one hundred thirty-nine billion, six hundred thirty million, sixteen thousand, two hundred five".