139068716349 has 16 divisors (see below), whose sum is σ = 187728375744. Its totient is φ = 91561593600.

The previous prime is 139068716341. The next prime is 139068716387. The reversal of 139068716349 is 943617860931.

It is a happy number.

It is not a de Polignac number, because 139068716349 - 2³ = 139068716341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139068716341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580629 + ... + 784389.

It is an arithmetic number, because the mean of its divisors is an integer number (11733023484).

Almost surely, 2^139068716349 is an apocalyptic number.

It is an amenable number.

139068716349 is a deficient number, since it is larger than the sum of its proper divisors (48659659395).

139068716349 is a wasteful number, since it uses less digits than its factorization.

139068716349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206588.

The product of its (nonzero) digits is 5878656, while the sum is 57.

The spelling of 139068716349 in words is "one hundred thirty-nine billion, sixty-eight million, seven hundred sixteen thousand, three hundred forty-nine".