139600124161 has 3 divisors (see below), whose sum is σ = 139600497793. Its totient is φ = 139599750530.

The previous prime is 139600124149. The next prime is 139600124263. The reversal of 139600124161 is 161421006931.

The square root of 139600124161 is 373631.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 139600124161 - 2¹³ = 139600115969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139600194161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 186816 + ... + 560446.

Almost surely, 2^139600124161 is an apocalyptic number.

139600124161 is the 373631-st square number.

139600124161 is the 186816-th centered octagonal number.

It is an amenable number.

139600124161 is a deficient number, since it is larger than the sum of its proper divisors (373632).

139600124161 is an frugal number, since it uses more digits than its factorization.

139600124161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747262 (or 373631 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 139600124161 in words is "one hundred thirty-nine billion, six hundred million, one hundred twenty-four thousand, one hundred sixty-one".