140566480 has 40 divisors (see below), whose sum is σ = 338092200. Its totient is φ = 54286848.

The previous prime is 140566471. The next prime is 140566487. The reversal of 140566480 is 84665041.

It can be written as a sum of positive squares in 4 ways, for example, as 37503376 + 103063104 = 6124^2 + 10152^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140566487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27975 + ... + 32614.

It is an arithmetic number, because the mean of its divisors is an integer number (8452305).

Almost surely, 2^140566480 is an apocalyptic number.

140566480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140566480 is an abundant number, since it is smaller than the sum of its proper divisors (197525720).

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

140566480 is a wasteful number, since it uses less digits than its factorization.

140566480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60631 (or 60625 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 140566480 is about 11856.0735490296. The cubic root of 140566480 is about 519.9488115293.

The spelling of 140566480 in words is "one hundred forty million, five hundred sixty-six thousand, four hundred eighty".