139180103869 has 2 divisors, whose sum is σ = 139180103870. Its totient is φ = 139180103868.

The previous prime is 139180103819. The next prime is 139180103903. The reversal of 139180103869 is 968301081931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107161296025 + 32018807844 = 327355^2 + 178938^2 .

It is a cyclic number.

It is not a de Polignac number, because 139180103869 - 2⁹ = 139180103357 is a prime.

It is a super-2 number, since 2×139180103869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139180103819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69590051934 + 69590051935.

It is an arithmetic number, because the mean of its divisors is an integer number (69590051935).

Almost surely, 2^139180103869 is an apocalyptic number.

It is an amenable number.

139180103869 is a deficient number, since it is larger than the sum of its proper divisors (1).

139180103869 is an equidigital number, since it uses as much as digits as its factorization.

139180103869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 49.

It can be divided in two parts, 139180 and 103869, that added together give a square (243049 = 493²).

The spelling of 139180103869 in words is "one hundred thirty-nine billion, one hundred eighty million, one hundred three thousand, eight hundred sixty-nine".