138752333 has 2 divisors, whose sum is σ = 138752334. Its totient is φ = 138752332.

The previous prime is 138752329. The next prime is 138752363. The reversal of 138752333 is 333257831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134142724 + 4609609 = 11582^2 + 2147^2 .

It is a cyclic number.

It is not a de Polignac number, because 138752333 - 2² = 138752329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138752293 and 138752302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138752363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69376166 + 69376167.

It is an arithmetic number, because the mean of its divisors is an integer number (69376167).

Almost surely, 2^138752333 is an apocalyptic number.

It is an amenable number.

138752333 is a deficient number, since it is larger than the sum of its proper divisors (1).

138752333 is an equidigital number, since it uses as much as digits as its factorization.

138752333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 35.

The square root of 138752333 is about 11779.3180193082. The cubic root of 138752333 is about 517.7023043120.

The spelling of 138752333 in words is "one hundred thirty-eight million, seven hundred fifty-two thousand, three hundred thirty-three".