139265223057 has 6 divisors (see below), whose sum is σ = 201160877762. Its totient is φ = 92843482032.

The previous prime is 139265223049. The next prime is 139265223067. The reversal of 139265223057 is 750322562931.

139265223057 is a `hidden beast` number, since 1 + 3 + 92 + 6 + 522 + 30 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 98370676881 + 40894546176 = 313641^2 + 202224^2 .

It is not a de Polignac number, because 139265223057 - 2³ = 139265223049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139265223017) 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 5 ways as a sum of consecutive naturals, for example, 7736956828 + ... + 7736956845.

Almost surely, 2^139265223057 is an apocalyptic number.

It is an amenable number.

139265223057 is a deficient number, since it is larger than the sum of its proper divisors (61895654705).

139265223057 is a wasteful number, since it uses less digits than its factorization.

139265223057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15473913679 (or 15473913676 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

Adding to 139265223057 its reverse (750322562931), we get a palindrome (889587785988).

The spelling of 139265223057 in words is "one hundred thirty-nine billion, two hundred sixty-five million, two hundred twenty-three thousand, fifty-seven".