115394237 has 4 divisors (see below), whose sum is σ = 131879136. Its totient is φ = 98909340.

The previous prime is 115394233. The next prime is 115394263. The reversal of 115394237 is 732493511.

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, and also an emirpimes, since its reverse is a distinct semiprime: 732493511 = 101 ⋅7252411.

It is a cyclic number.

It is not a de Polignac number, because 115394237 - 2² = 115394233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115394197 and 115394206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115394233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8242439 + ... + 8242452.

It is an arithmetic number, because the mean of its divisors is an integer number (32969784).

Almost surely, 2^115394237 is an apocalyptic number.

It is an amenable number.

115394237 is a deficient number, since it is larger than the sum of its proper divisors (16484899).

115394237 is an equidigital number, since it uses as much as digits as its factorization.

115394237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16484898.

The product of its digits is 22680, while the sum is 35.

The square root of 115394237 is about 10742.1709630782. The cubic root of 115394237 is about 486.8494756913.

The spelling of 115394237 in words is "one hundred fifteen million, three hundred ninety-four thousand, two hundred thirty-seven".