138016733 has 2 divisors, whose sum is σ = 138016734. Its totient is φ = 138016732.

The previous prime is 138016691. The next prime is 138016751. The reversal of 138016733 is 337610831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93354244 + 44662489 = 9662^2 + 6683^2 .

It is a cyclic number.

It is not a de Polignac number, because 138016733 - 2⁸ = 138016477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 138016733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138016933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69008366 + 69008367.

It is an arithmetic number, because the mean of its divisors is an integer number (69008367).

Almost surely, 2^138016733 is an apocalyptic number.

It is an amenable number.

138016733 is a deficient number, since it is larger than the sum of its proper divisors (1).

138016733 is an equidigital number, since it uses as much as digits as its factorization.

138016733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 138016733 is about 11748.0523066592. The cubic root of 138016733 is about 516.7858109321.

The spelling of 138016733 in words is "one hundred thirty-eight million, sixteen thousand, seven hundred thirty-three".