118147193 has 2 divisors, whose sum is σ = 118147194. Its totient is φ = 118147192.

The previous prime is 118147181. The next prime is 118147213. The reversal of 118147193 is 391741811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116035984 + 2111209 = 10772^2 + 1453^2 .

It is an emirp because it is prime and its reverse (391741811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118147193 - 2⁸ = 118146937 is a prime.

It is a super-6 number, since 6×118147193⁶ (a number of 50 digits) contains 666666 as substring.

It is not a weakly prime, because it can be changed into another prime (118147103) 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, 59073596 + 59073597.

It is an arithmetic number, because the mean of its divisors is an integer number (59073597).

Almost surely, 2^118147193 is an apocalyptic number.

It is an amenable number.

118147193 is a deficient number, since it is larger than the sum of its proper divisors (1).

118147193 is an equidigital number, since it uses as much as digits as its factorization.

118147193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 35.

The square root of 118147193 is about 10869.5534866893. The cubic root of 118147193 is about 490.6906725511.

The spelling of 118147193 in words is "one hundred eighteen million, one hundred forty-seven thousand, one hundred ninety-three".