563761139 has 4 divisors (see below), whose sum is σ = 566712960. Its totient is φ = 560809320.

The previous prime is 563761117. The next prime is 563761147. The reversal of 563761139 is 931167365.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563761139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 563761096 and 563761105.

It is not an unprimeable number, because it can be changed into a prime (563761109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475624 + ... + 1476005.

It is an arithmetic number, because the mean of its divisors is an integer number (141678240).

Almost surely, 2^563761139 is an apocalyptic number.

563761139 is a deficient number, since it is larger than the sum of its proper divisors (2951821).

563761139 is a wasteful number, since it uses less digits than its factorization.

563761139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951820.

The product of its digits is 102060, while the sum is 41.

The square root of 563761139 is about 23743.6547102589. The cubic root of 563761139 is about 826.0982686721.

The spelling of 563761139 in words is "five hundred sixty-three million, seven hundred sixty-one thousand, one hundred thirty-nine".