561384134 has 8 divisors (see below), whose sum is σ = 844077648. Its totient is φ = 280024920.

The previous prime is 561384107. The next prime is 561384137. The reversal of 561384134 is 431483165.

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 = 561384094 and 561384103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561384137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332522 + ... + 334205.

It is an arithmetic number, because the mean of its divisors is an integer number (105509706).

Almost surely, 2^561384134 is an apocalyptic number.

561384134 is a deficient number, since it is larger than the sum of its proper divisors (282693514).

561384134 is a wasteful number, since it uses less digits than its factorization.

561384134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667150.

The product of its digits is 34560, while the sum is 35.

The square root of 561384134 is about 23693.5462520915. The cubic root of 561384134 is about 824.9355977887.

The spelling of 561384134 in words is "five hundred sixty-one million, three hundred eighty-four thousand, one hundred thirty-four".