118149313 has 2 divisors, whose sum is σ = 118149314. Its totient is φ = 118149312.

The previous prime is 118149281. The next prime is 118149323. The reversal of 118149313 is 313941811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73753744 + 44395569 = 8588^2 + 6663^2 .

It is a cyclic number.

It is not a de Polignac number, because 118149313 - 2⁵ = 118149281 is a prime.

It is not a weakly prime, because it can be changed into another prime (118149323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59074656 + 59074657.

It is an arithmetic number, because the mean of its divisors is an integer number (59074657).

Almost surely, 2^118149313 is an apocalyptic number.

It is an amenable number.

118149313 is a deficient number, since it is larger than the sum of its proper divisors (1).

118149313 is an equidigital number, since it uses as much as digits as its factorization.

118149313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 118149313 is about 10869.6510063571. The cubic root of 118149313 is about 490.6936074720.

The spelling of 118149313 in words is "one hundred eighteen million, one hundred forty-nine thousand, three hundred thirteen".