139973333 has 2 divisors, whose sum is σ = 139973334. Its totient is φ = 139973332.

The previous prime is 139973329. The next prime is 139973341. The reversal of 139973333 is 333379931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98267569 + 41705764 = 9913^2 + 6458^2 .

It is an emirp because it is prime and its reverse (333379931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139973333 - 2² = 139973329 is a prime.

It is a super-2 number, since 2×139973333² = 39185067902257778, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139972333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69986666 + 69986667.

It is an arithmetic number, because the mean of its divisors is an integer number (69986667).

Almost surely, 2^139973333 is an apocalyptic number.

It is an amenable number.

139973333 is a deficient number, since it is larger than the sum of its proper divisors (1).

139973333 is an equidigital number, since it uses as much as digits as its factorization.

139973333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 137781, while the sum is 41.

The square root of 139973333 is about 11831.0326261066. The cubic root of 139973333 is about 519.2164394630.

The spelling of 139973333 in words is "one hundred thirty-nine million, nine hundred seventy-three thousand, three hundred thirty-three".