139211072093 has 2 divisors, whose sum is σ = 139211072094. Its totient is φ = 139211072092.

The previous prime is 139211072071. The next prime is 139211072101. The reversal of 139211072093 is 390270112931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130839188089 + 8371884004 = 361717^2 + 91498^2 .

It is a cyclic number.

It is not a de Polignac number, because 139211072093 - 2³⁰ = 138137330269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139211072003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69605536046 + 69605536047.

It is an arithmetic number, because the mean of its divisors is an integer number (69605536047).

Almost surely, 2^139211072093 is an apocalyptic number.

It is an amenable number.

139211072093 is a deficient number, since it is larger than the sum of its proper divisors (1).

139211072093 is an equidigital number, since it uses as much as digits as its factorization.

139211072093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 139211072093 in words is "one hundred thirty-nine billion, two hundred eleven million, seventy-two thousand, ninety-three".