139552688873 has 4 divisors (see below), whose sum is σ = 150287511108. Its totient is φ = 128817866640.

The previous prime is 139552688843. The next prime is 139552688887. The reversal of 139552688873 is 378886255931.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36262442329 + 103290246544 = 190427^2 + 321388^2 .

It is a cyclic number.

It is not a de Polignac number, because 139552688873 - 2¹⁰ = 139552687849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139552688843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5367411098 + ... + 5367411123.

It is an arithmetic number, because the mean of its divisors is an integer number (37571877777).

Almost surely, 2^139552688873 is an apocalyptic number.

139552688873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

139552688873 is a deficient number, since it is larger than the sum of its proper divisors (10734822235).

139552688873 is a wasteful number, since it uses less digits than its factorization.

139552688873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10734822234.

The product of its digits is 87091200, while the sum is 65.

The spelling of 139552688873 in words is "one hundred thirty-nine billion, five hundred fifty-two million, six hundred eighty-eight thousand, eight hundred seventy-three".