563761138 has 8 divisors (see below), whose sum is σ = 846705132. Its totient is φ = 281526096.

The previous prime is 563761117. The next prime is 563761147. The reversal of 563761138 is 831167365.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 502342569 + 61418569 = 22413^2 + 7837^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 563761138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175245 + ... + 178432.

Almost surely, 2^563761138 is an apocalyptic number.

563761138 is a deficient number, since it is larger than the sum of its proper divisors (282943994).

563761138 is a wasteful number, since it uses less digits than its factorization.

563761138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354476.

The product of its digits is 90720, while the sum is 40.

The square root of 563761138 is about 23743.6546892006. The cubic root of 563761138 is about 826.0982681837.

The spelling of 563761138 in words is "five hundred sixty-three million, seven hundred sixty-one thousand, one hundred thirty-eight".