115475439 has 8 divisors (see below), whose sum is σ = 154080432. Its totient is φ = 76927040.

The previous prime is 115475431. The next prime is 115475443. The reversal of 115475439 is 934574511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115475439 - 2³ = 115475431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115475397 and 115475406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115475431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9132 + ... + 17729.

It is an arithmetic number, because the mean of its divisors is an integer number (19260054).

Almost surely, 2^115475439 is an apocalyptic number.

115475439 is a deficient number, since it is larger than the sum of its proper divisors (38604993).

115475439 is a wasteful number, since it uses less digits than its factorization.

115475439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28297.

The product of its digits is 75600, while the sum is 39.

The square root of 115475439 is about 10745.9498882137. The cubic root of 115475439 is about 486.9636462736.

The spelling of 115475439 in words is "one hundred fifteen million, four hundred seventy-five thousand, four hundred thirty-nine".