1563470140 has 12 divisors (see below), whose sum is σ = 3283287336. Its totient is φ = 625388048.

The previous prime is 1563470123. The next prime is 1563470141. The reversal of 1563470140 is 410743651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1563470141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39086734 + ... + 39086773.

It is an arithmetic number, because the mean of its divisors is an integer number (273607278).

Almost surely, 2^1563470140 is an apocalyptic number.

1563470140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1563470140 is an abundant number, since it is smaller than the sum of its proper divisors (1719817196).

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

1563470140 is a wasteful number, since it uses less digits than its factorization.

1563470140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78173516 (or 78173514 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1563470140 is about 39540.7402560954. The cubic root of 1563470140 is about 1160.6373182357.

The spelling of 1563470140 in words is "one billion, five hundred sixty-three million, four hundred seventy thousand, one hundred forty".