560981138 has 4 divisors (see below), whose sum is σ = 841471710. Its totient is φ = 280490568.

The previous prime is 560981107. The next prime is 560981171. The reversal of 560981138 is 831189065.

560981138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 440706049 + 120275089 = 20993^2 + 10967^2 .

It is a junction number, because it is equal to n+sod(n) for n = 560981095 and 560981104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140245283 + ... + 140245286.

Almost surely, 2^560981138 is an apocalyptic number.

560981138 is a deficient number, since it is larger than the sum of its proper divisors (280490572).

560981138 is a wasteful number, since it uses less digits than its factorization.

560981138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280490571.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 560981138 is about 23685.0403841750. The cubic root of 560981138 is about 824.7381540612.

The spelling of 560981138 in words is "five hundred sixty million, nine hundred eighty-one thousand, one hundred thirty-eight".