115240413 has 4 divisors (see below), whose sum is σ = 153653888. Its totient is φ = 76826940.

The previous prime is 115240397. The next prime is 115240421. The reversal of 115240413 is 314042511.

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 not a de Polignac number, because 115240413 - 2⁴ = 115240397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115240413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115240483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19206733 + ... + 19206738.

It is an arithmetic number, because the mean of its divisors is an integer number (38413472).

Almost surely, 2^115240413 is an apocalyptic number.

It is an amenable number.

115240413 is a deficient number, since it is larger than the sum of its proper divisors (38413475).

115240413 is an equidigital number, since it uses as much as digits as its factorization.

115240413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38413474.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 115240413 is about 10735.0087564007. The cubic root of 115240413 is about 486.6330511487.

Adding to 115240413 its reverse (314042511), we get a palindrome (429282924).

The spelling of 115240413 in words is "one hundred fifteen million, two hundred forty thousand, four hundred thirteen".