138016751 has 2 divisors, whose sum is σ = 138016752. Its totient is φ = 138016750.

The previous prime is 138016733. The next prime is 138016757. The reversal of 138016751 is 157610831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138016751 - 2¹⁴ = 138000367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138016757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69008375 + 69008376.

It is an arithmetic number, because the mean of its divisors is an integer number (69008376).

Almost surely, 2^138016751 is an apocalyptic number.

138016751 is a deficient number, since it is larger than the sum of its proper divisors (1).

138016751 is an equidigital number, since it uses as much as digits as its factorization.

138016751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 138016751 is about 11748.0530727436. The cubic root of 138016751 is about 516.7858333983.

The spelling of 138016751 in words is "one hundred thirty-eight million, sixteen thousand, seven hundred fifty-one".