115307193 has 4 divisors (see below), whose sum is σ = 153742928. Its totient is φ = 76871460.

The previous prime is 115307189. The next prime is 115307233. The reversal of 115307193 is 391703511.

It is a happy number.

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 115307193 - 2² = 115307189 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 115307193.

It is not an unprimeable number, because it can be changed into a prime (115307183) 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, 19217863 + ... + 19217868.

It is an arithmetic number, because the mean of its divisors is an integer number (38435732).

Almost surely, 2^115307193 is an apocalyptic number.

It is an amenable number.

115307193 is a deficient number, since it is larger than the sum of its proper divisors (38435735).

115307193 is an equidigital number, since it uses as much as digits as its factorization.

115307193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38435734.

The product of its (nonzero) digits is 2835, while the sum is 30.

The square root of 115307193 is about 10738.1186899754. The cubic root of 115307193 is about 486.7270317211.

The spelling of 115307193 in words is "one hundred fifteen million, three hundred seven thousand, one hundred ninety-three".