138184099 has 2 divisors, whose sum is σ = 138184100. Its totient is φ = 138184098.

The previous prime is 138184087. The next prime is 138184141. The reversal of 138184099 is 990481831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138184099 - 2⁹ = 138183587 is a prime.

It is not a weakly prime, because it can be changed into another prime (138184009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69092049 + 69092050.

It is an arithmetic number, because the mean of its divisors is an integer number (69092050).

Almost surely, 2^138184099 is an apocalyptic number.

138184099 is a deficient number, since it is larger than the sum of its proper divisors (1).

138184099 is an equidigital number, since it uses as much as digits as its factorization.

138184099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 138184099 is about 11755.1732866853. The cubic root of 138184099 is about 516.9946199995.

The spelling of 138184099 in words is "one hundred thirty-eight million, one hundred eighty-four thousand, ninety-nine".