560138 has 4 divisors (see below), whose sum is σ = 840210. Its totient is φ = 280068.

The previous prime is 560137. The next prime is 560149. The reversal of 560138 is 831065.

560138 is nontrivially palindromic in base 8.

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., 413449 + 146689 = 643^2 + 383^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (560137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140033 + ... + 140036.

2⁵⁶⁰¹³⁸ is an apocalyptic number.

560138 is a deficient number, since it is larger than the sum of its proper divisors (280072).

560138 is a wasteful number, since it uses less digits than its factorization.

560138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280071.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 560138 is about 748.4236768035. The cubic root of 560138 is about 82.4324761231.

The spelling of 560138 in words is "five hundred sixty thousand, one hundred thirty-eight".