115609534 has 8 divisors (see below), whose sum is σ = 178101288. Its totient is φ = 56242440.

The previous prime is 115609531. The next prime is 115609553. The reversal of 115609534 is 435906511.

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

It is a self number, because there is not a number n which added to its sum of digits gives 115609534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115609531) 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, 781072 + ... + 781219.

It is an arithmetic number, because the mean of its divisors is an integer number (22262661).

Almost surely, 2^115609534 is an apocalyptic number.

115609534 is a deficient number, since it is larger than the sum of its proper divisors (62491754).

115609534 is a wasteful number, since it uses less digits than its factorization.

115609534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562330.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 115609534 is about 10752.1874053608. The cubic root of 115609534 is about 487.1520676697.

The spelling of 115609534 in words is "one hundred fifteen million, six hundred nine thousand, five hundred thirty-four".