1563140000 has 60 divisors (see below), whose sum is σ = 3845608074. Its totient is φ = 625248000.

The previous prime is 1563139967. The next prime is 1563140009. The reversal of 1563140000 is 413651.

It can be written as a sum of positive squares in 5 ways, for example, as 88887184 + 1474252816 = 9428^2 + 38396^2 .

It is a sliding number, since 1563140000 = 640000 + 1562500000 and 1/640000 + 1/1562500000 = 0.000001563140000.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1563140009) 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 9 ways as a sum of consecutive naturals, for example, 19079 + ... + 59078.

Almost surely, 2^1563140000 is an apocalyptic number.

1563140000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1563140000 is an abundant number, since it is smaller than the sum of its proper divisors (2282468074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1563140000 is an frugal number, since it uses more digits than its factorization.

1563140000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78187 (or 78164 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1563140000 is about 39536.5653541124. The cubic root of 1563140000 is about 1160.5556196756. Note that the first 3 decimals are identical.

Adding to 1563140000 its reverse (413651), we get a palindrome (1563553651).

The spelling of 1563140000 in words is "one billion, five hundred sixty-three million, one hundred forty thousand".