139851053 has 2 divisors, whose sum is σ = 139851054. Its totient is φ = 139851052.

The previous prime is 139851037. The next prime is 139851067. The reversal of 139851053 is 350158931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106234249 + 33616804 = 10307^2 + 5798^2 .

It is a cyclic number.

It is not a de Polignac number, because 139851053 - 2⁴ = 139851037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139851353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69925526 + 69925527.

It is an arithmetic number, because the mean of its divisors is an integer number (69925527).

Almost surely, 2^139851053 is an apocalyptic number.

It is an amenable number.

139851053 is a deficient number, since it is larger than the sum of its proper divisors (1).

139851053 is an equidigital number, since it uses as much as digits as its factorization.

139851053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 139851053 is about 11825.8637316688. The cubic root of 139851053 is about 519.0652004568.

The spelling of 139851053 in words is "one hundred thirty-nine million, eight hundred fifty-one thousand, fifty-three".