115073389 has 4 divisors (see below), whose sum is σ = 116959900. Its totient is φ = 113186880.

The previous prime is 115073381. The next prime is 115073401. The reversal of 115073389 is 983370511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 983370511 = 701 ⋅1402811.

It can be written as a sum of positive squares in 2 ways, for example, as 39904489 + 75168900 = 6317^2 + 8670^2 .

It is a cyclic number.

It is not a de Polignac number, because 115073389 - 2³ = 115073381 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 (115073381) 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, 943164 + ... + 943285.

It is an arithmetic number, because the mean of its divisors is an integer number (29239975).

Almost surely, 2^115073389 is an apocalyptic number.

It is an amenable number.

115073389 is a deficient number, since it is larger than the sum of its proper divisors (1886511).

115073389 is an equidigital number, since it uses as much as digits as its factorization.

115073389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886510.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 115073389 is about 10727.2265287911. The cubic root of 115073389 is about 486.3978365054.

The spelling of 115073389 in words is "one hundred fifteen million, seventy-three thousand, three hundred eighty-nine".