139033333 has 2 divisors, whose sum is σ = 139033334. Its totient is φ = 139033332.

The previous prime is 139033331. The next prime is 139033351. The reversal of 139033333 is 333330931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80694289 + 58339044 = 8983^2 + 7638^2 .

It is a cyclic number.

It is not a de Polignac number, because 139033333 - 2¹ = 139033331 is a prime.

Together with 139033331, it forms a pair of twin primes.

139033333 is a modest number, since divided by 33333 gives 1390 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139033331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69516666 + 69516667.

It is an arithmetic number, because the mean of its divisors is an integer number (69516667).

Almost surely, 2^139033333 is an apocalyptic number.

It is an amenable number.

139033333 is a deficient number, since it is larger than the sum of its proper divisors (1).

139033333 is an equidigital number, since it uses as much as digits as its factorization.

139033333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6561, while the sum is 28.

The square root of 139033333 is about 11791.2396718920. The cubic root of 139033333 is about 518.0515507001.

The spelling of 139033333 in words is "one hundred thirty-nine million, thirty-three thousand, three hundred thirty-three".