118133549 has 2 divisors, whose sum is σ = 118133550. Its totient is φ = 118133548.

The previous prime is 118133531. The next prime is 118133557. The reversal of 118133549 is 945331811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114875524 + 3258025 = 10718^2 + 1805^2 .

It is an emirp because it is prime and its reverse (945331811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118133549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118133579) 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, 59066774 + 59066775.

It is an arithmetic number, because the mean of its divisors is an integer number (59066775).

Almost surely, 2^118133549 is an apocalyptic number.

It is an amenable number.

118133549 is a deficient number, since it is larger than the sum of its proper divisors (1).

118133549 is an equidigital number, since it uses as much as digits as its factorization.

118133549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 118133549 is about 10868.9258438909. The cubic root of 118133549 is about 490.6717830029.

The spelling of 118133549 in words is "one hundred eighteen million, one hundred thirty-three thousand, five hundred forty-nine".