118866133 has 2 divisors, whose sum is σ = 118866134. Its totient is φ = 118866132.

The previous prime is 118866131. The next prime is 118866151. The reversal of 118866133 is 331668811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108638929 + 10227204 = 10423^2 + 3198^2 .

It is a cyclic number.

It is not a de Polignac number, because 118866133 - 2¹ = 118866131 is a prime.

Together with 118866131, it forms a pair of twin primes.

It is equal to p_6780772 and since 118866133 and 6780772 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 118866092 and 118866101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118866131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59433066 + 59433067.

It is an arithmetic number, because the mean of its divisors is an integer number (59433067).

Almost surely, 2^118866133 is an apocalyptic number.

It is an amenable number.

118866133 is a deficient number, since it is larger than the sum of its proper divisors (1).

118866133 is an equidigital number, since it uses as much as digits as its factorization.

118866133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The square root of 118866133 is about 10902.5746041933. The cubic root of 118866133 is about 491.6839645866.

The spelling of 118866133 in words is "one hundred eighteen million, eight hundred sixty-six thousand, one hundred thirty-three".