115138183 has 2 divisors, whose sum is σ = 115138184. Its totient is φ = 115138182.

The previous prime is 115138169. The next prime is 115138189. The reversal of 115138183 is 381831511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115138183 - 2¹³ = 115129991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115138189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57569091 + 57569092.

It is an arithmetic number, because the mean of its divisors is an integer number (57569092).

Almost surely, 2^115138183 is an apocalyptic number.

115138183 is a deficient number, since it is larger than the sum of its proper divisors (1).

115138183 is an equidigital number, since it uses as much as digits as its factorization.

115138183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 31.

The square root of 115138183 is about 10730.2461761136. The cubic root of 115138183 is about 486.4891108606.

Adding to 115138183 its reverse (381831511), we get a palindrome (496969694).

The spelling of 115138183 in words is "one hundred fifteen million, one hundred thirty-eight thousand, one hundred eighty-three".