561135134 has 8 divisors (see below), whose sum is σ = 961945968. Its totient is φ = 240486480.

The previous prime is 561135109. The next prime is 561135137. The reversal of 561135134 is 431531165.

561135134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 561135097 and 561135106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561135137) 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, 20040527 + ... + 20040554.

It is an arithmetic number, because the mean of its divisors is an integer number (120243246).

Almost surely, 2^561135134 is an apocalyptic number.

561135134 is a deficient number, since it is larger than the sum of its proper divisors (400810834).

561135134 is a wasteful number, since it uses less digits than its factorization.

561135134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40081090.

The product of its digits is 5400, while the sum is 29.

The square root of 561135134 is about 23688.2910738618. The cubic root of 561135134 is about 824.8136139703.

Adding to 561135134 its reverse (431531165), we get a palindrome (992666299).

The spelling of 561135134 in words is "five hundred sixty-one million, one hundred thirty-five thousand, one hundred thirty-four".