118438319 has 2 divisors, whose sum is σ = 118438320. Its totient is φ = 118438318.

The previous prime is 118438289. The next prime is 118438363. The reversal of 118438319 is 913834811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118438319 - 2¹⁶ = 118372783 is a prime.

It is a super-2 number, since 2×118438319² = 28055270815091522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118438519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59219159 + 59219160.

It is an arithmetic number, because the mean of its divisors is an integer number (59219160).

Almost surely, 2^118438319 is an apocalyptic number.

118438319 is a deficient number, since it is larger than the sum of its proper divisors (1).

118438319 is an equidigital number, since it uses as much as digits as its factorization.

118438319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 38.

The square root of 118438319 is about 10882.9370576145. The cubic root of 118438319 is about 491.0933782358.

The spelling of 118438319 in words is "one hundred eighteen million, four hundred thirty-eight thousand, three hundred nineteen".