118270813 has 2 divisors, whose sum is σ = 118270814. Its totient is φ = 118270812.

The previous prime is 118270799. The next prime is 118270843. The reversal of 118270813 is 318072811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113784889 + 4485924 = 10667^2 + 2118^2 .

It is a cyclic number.

It is not a de Polignac number, because 118270813 - 2¹³ = 118262621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118270843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59135406 + 59135407.

It is an arithmetic number, because the mean of its divisors is an integer number (59135407).

Almost surely, 2^118270813 is an apocalyptic number.

It is an amenable number.

118270813 is a deficient number, since it is larger than the sum of its proper divisors (1).

118270813 is an equidigital number, since it uses as much as digits as its factorization.

118270813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 118270813 is about 10875.2385261198. The cubic root of 118270813 is about 490.8617530351.

The spelling of 118270813 in words is "one hundred eighteen million, two hundred seventy thousand, eight hundred thirteen".