139853333 has 2 divisors, whose sum is σ = 139853334. Its totient is φ = 139853332.

The previous prime is 139853323. The next prime is 139853347. The reversal of 139853333 is 333358931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85063729 + 54789604 = 9223^2 + 7402^2 .

It is an emirp because it is prime and its reverse (333358931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139853333 - 2¹⁸ = 139591189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139853323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69926666 + 69926667.

It is an arithmetic number, because the mean of its divisors is an integer number (69926667).

Almost surely, 2^139853333 is an apocalyptic number.

It is an amenable number.

139853333 is a deficient number, since it is larger than the sum of its proper divisors (1).

139853333 is an equidigital number, since it uses as much as digits as its factorization.

139853333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 38.

The square root of 139853333 is about 11825.9601301543. The cubic root of 139853333 is about 519.0680212251.

The spelling of 139853333 in words is "one hundred thirty-nine million, eight hundred fifty-three thousand, three hundred thirty-three".