138052799 has 2 divisors, whose sum is σ = 138052800. Its totient is φ = 138052798.

The previous prime is 138052729. The next prime is 138052813. The reversal of 138052799 is 997250831.

138052799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138052799 - 2²⁰ = 137004223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138052729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69026399 + 69026400.

It is an arithmetic number, because the mean of its divisors is an integer number (69026400).

Almost surely, 2^138052799 is an apocalyptic number.

138052799 is a deficient number, since it is larger than the sum of its proper divisors (1).

138052799 is an equidigital number, since it uses as much as digits as its factorization.

138052799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 138052799 is about 11749.5871842376. The cubic root of 138052799 is about 516.8308218361.

The spelling of 138052799 in words is "one hundred thirty-eight million, fifty-two thousand, seven hundred ninety-nine".