561342134 has 8 divisors (see below), whose sum is σ = 843915240. Its totient is φ = 280037056.

The previous prime is 561342127. The next prime is 561342139. The reversal of 561342134 is 431243165.

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

It is a junction number, because it is equal to n+sod(n) for n = 561342097 and 561342106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561342139) 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, 315899 + ... + 317670.

It is an arithmetic number, because the mean of its divisors is an integer number (105489405).

Almost surely, 2^561342134 is an apocalyptic number.

561342134 is a deficient number, since it is larger than the sum of its proper divisors (282573106).

561342134 is a wasteful number, since it uses less digits than its factorization.

561342134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634014.

The product of its digits is 8640, while the sum is 29.

The square root of 561342134 is about 23692.6599182110. The cubic root of 561342134 is about 824.9150247342.

Adding to 561342134 its reverse (431243165), we get a palindrome (992585299).

The spelling of 561342134 in words is "five hundred sixty-one million, three hundred forty-two thousand, one hundred thirty-four".