118284042137 has 2 divisors, whose sum is σ = 118284042138. Its totient is φ = 118284042136.

The previous prime is 118284042131. The next prime is 118284042139. The reversal of 118284042137 is 731240482811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103080165721 + 15203876416 = 321061^2 + 123304^2 .

It is an emirp because it is prime and its reverse (731240482811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118284042137 - 2⁶ = 118284042073 is a prime.

It is a super-2 number, since 2×118284042137² (a number of 23 digits) contains 22 as substring.

Together with 118284042139, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 118284042094 and 118284042103.

It is not a weakly prime, because it can be changed into another prime (118284042131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59142021068 + 59142021069.

It is an arithmetic number, because the mean of its divisors is an integer number (59142021069).

Almost surely, 2^118284042137 is an apocalyptic number.

It is an amenable number.

118284042137 is a deficient number, since it is larger than the sum of its proper divisors (1).

118284042137 is an equidigital number, since it uses as much as digits as its factorization.

118284042137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 118284042137 in words is "one hundred eighteen billion, two hundred eighty-four million, forty-two thousand, one hundred thirty-seven".