129733333 has 2 divisors, whose sum is σ = 129733334. Its totient is φ = 129733332.

The previous prime is 129733319. The next prime is 129733367. The reversal of 129733333 is 333337921.

It is an a-pointer prime, because the next prime (129733367) can be obtained adding 129733333 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128890609 + 842724 = 11353^2 + 918^2 .

It is a cyclic number.

It is not a de Polignac number, because 129733333 - 2²¹ = 127636181 is a prime.

129733333 is a modest number, since divided by 33333 gives 1297 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129733313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64866666 + 64866667.

It is an arithmetic number, because the mean of its divisors is an integer number (64866667).

Almost surely, 2^129733333 is an apocalyptic number.

It is an amenable number.

129733333 is a deficient number, since it is larger than the sum of its proper divisors (1).

129733333 is an equidigital number, since it uses as much as digits as its factorization.

129733333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 34.

The square root of 129733333 is about 11390.0541262981. The cubic root of 129733333 is about 506.2330850824.

The spelling of 129733333 in words is "one hundred twenty-nine million, seven hundred thirty-three thousand, three hundred thirty-three".