1563240141 has 24 divisors (see below), whose sum is σ = 2385845280. Its totient is φ = 1022488272.

The previous prime is 1563240101. The next prime is 1563240199. The reversal of 1563240141 is 1410423651.

It is a happy number.

1563240141 is a `hidden beast` number, since 15 + 632 + 4 + 0 + 14 + 1 = 666.

It is not a de Polignac number, because 1563240141 - 2⁷ = 1563240013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1563240101) 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 23 ways as a sum of consecutive naturals, for example, 47811 + ... + 73568.

It is an arithmetic number, because the mean of its divisors is an integer number (99410220).

Almost surely, 2^1563240141 is an apocalyptic number.

It is an amenable number.

1563240141 is a deficient number, since it is larger than the sum of its proper divisors (822605139).

1563240141 is an equidigital number, since it uses as much as digits as its factorization.

1563240141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121447 (or 121435 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1563240141 is about 39537.8317690791. The cubic root of 1563240141 is about 1160.5804024245.

Adding to 1563240141 its reverse (1410423651), we get a palindrome (2973663792).

The spelling of 1563240141 in words is "one billion, five hundred sixty-three million, two hundred forty thousand, one hundred forty-one".