118338019 has 2 divisors, whose sum is σ = 118338020. Its totient is φ = 118338018.

The previous prime is 118337993. The next prime is 118338047. The reversal of 118338019 is 910833811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118338019 is a prime.

It is a super-2 number, since 2×118338019² = 28007773481688722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118338089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59169009 + 59169010.

It is an arithmetic number, because the mean of its divisors is an integer number (59169010).

Almost surely, 2^118338019 is an apocalyptic number.

118338019 is a deficient number, since it is larger than the sum of its proper divisors (1).

118338019 is an equidigital number, since it uses as much as digits as its factorization.

118338019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 118338019 is about 10878.3279505630. The cubic root of 118338019 is about 490.9547109047.

The spelling of 118338019 in words is "one hundred eighteen million, three hundred thirty-eight thousand, nineteen".