108940237 has 4 divisors (see below), whose sum is σ = 124503136. Its totient is φ = 93377340.

The previous prime is 108940217. The next prime is 108940241. The reversal of 108940237 is 732049801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-108940237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108940207) 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 in 3 ways as a sum of consecutive naturals, for example, 7781439 + ... + 7781452.

It is an arithmetic number, because the mean of its divisors is an integer number (31125784).

Almost surely, 2^108940237 is an apocalyptic number.

It is an amenable number.

108940237 is a deficient number, since it is larger than the sum of its proper divisors (15562899).

108940237 is an equidigital number, since it uses as much as digits as its factorization.

108940237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15562898.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 108940237 is about 10437.4439878737. The cubic root of 108940237 is about 477.5982996183.

The spelling of 108940237 in words is "one hundred eight million, nine hundred forty thousand, two hundred thirty-seven".