139026669939 has 12 divisors (see below), whose sum is σ = 201218745000. Its totient is φ = 92498703264.

The previous prime is 139026669937. The next prime is 139026670007. The reversal of 139026669939 is 939966620931.

It is not a de Polignac number, because 139026669939 - 2¹ = 139026669937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139026669931) 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 11 ways as a sum of consecutive naturals, for example, 15473874 + ... + 15482855.

It is an arithmetic number, because the mean of its divisors is an integer number (16768228750).

Almost surely, 2^139026669939 is an apocalyptic number.

139026669939 is a deficient number, since it is larger than the sum of its proper divisors (62192075061).

139026669939 is a wasteful number, since it uses less digits than its factorization.

139026669939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30957234 (or 30957231 counting only the distinct ones).

The product of its (nonzero) digits is 25509168, while the sum is 63.

The spelling of 139026669939 in words is "one hundred thirty-nine billion, twenty-six million, six hundred sixty-nine thousand, nine hundred thirty-nine".