139438145159 has 4 divisors (see below), whose sum is σ = 139532171016. Its totient is φ = 139344119304.

The previous prime is 139438145149. The next prime is 139438145191. The reversal of 139438145159 is 951541834931.

It is a happy number.

139438145159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139438145159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139438145159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139438145149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47010704 + ... + 47013669.

It is an arithmetic number, because the mean of its divisors is an integer number (34883042754).

Almost surely, 2^139438145159 is an apocalyptic number.

139438145159 is a deficient number, since it is larger than the sum of its proper divisors (94025857).

139438145159 is an equidigital number, since it uses as much as digits as its factorization.

139438145159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94025856.

The product of its digits is 2332800, while the sum is 53.

The spelling of 139438145159 in words is "one hundred thirty-nine billion, four hundred thirty-eight million, one hundred forty-five thousand, one hundred fifty-nine".