118416289 has 2 divisors, whose sum is σ = 118416290. Its totient is φ = 118416288.

The previous prime is 118416283. The next prime is 118416313. The reversal of 118416289 is 982614811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88078225 + 30338064 = 9385^2 + 5508^2 .

It is a cyclic number.

It is not a de Polignac number, because 118416289 - 2⁹ = 118415777 is a prime.

It is not a weakly prime, because it can be changed into another prime (118416283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59208144 + 59208145.

It is an arithmetic number, because the mean of its divisors is an integer number (59208145).

Almost surely, 2^118416289 is an apocalyptic number.

It is an amenable number.

118416289 is a deficient number, since it is larger than the sum of its proper divisors (1).

118416289 is an equidigital number, since it uses as much as digits as its factorization.

118416289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 40.

The square root of 118416289 is about 10881.9248756826. The cubic root of 118416289 is about 491.0629279050.

The spelling of 118416289 in words is "one hundred eighteen million, four hundred sixteen thousand, two hundred eighty-nine".