939147955139 has 2 divisors, whose sum is σ = 939147955140. Its totient is φ = 939147955138.

The previous prime is 939147955129. The next prime is 939147955241. The reversal of 939147955139 is 931559741939.

939147955139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (931559741939) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 939147955139 - 2¹² = 939147951043 is a prime.

It is not a weakly prime, because it can be changed into another prime (939147955129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469573977569 + 469573977570.

It is an arithmetic number, because the mean of its divisors is an integer number (469573977570).

Almost surely, 2^939147955139 is an apocalyptic number.

939147955139 is a deficient number, since it is larger than the sum of its proper divisors (1).

939147955139 is an equidigital number, since it uses as much as digits as its factorization.

939147955139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41334300, while the sum is 65.

The spelling of 939147955139 in words is "nine hundred thirty-nine billion, one hundred forty-seven million, nine hundred fifty-five thousand, one hundred thirty-nine".