108340187 has 2 divisors, whose sum is σ = 108340188. Its totient is φ = 108340186.

The previous prime is 108340159. The next prime is 108340207. The reversal of 108340187 is 781043801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108340187 - 2¹² = 108336091 is a prime.

It is a super-2 number, since 2×108340187² = 23475192238389938, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108340487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54170093 + 54170094.

It is an arithmetic number, because the mean of its divisors is an integer number (54170094).

Almost surely, 2^108340187 is an apocalyptic number.

108340187 is a deficient number, since it is larger than the sum of its proper divisors (1).

108340187 is an equidigital number, since it uses as much as digits as its factorization.

108340187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 108340187 is about 10408.6592316206. The cubic root of 108340187 is about 476.7198037382.

Adding to 108340187 its reverse (781043801), we get a palindrome (889383988).

The spelling of 108340187 in words is "one hundred eight million, three hundred forty thousand, one hundred eighty-seven".