140443460 has 24 divisors (see below), whose sum is σ = 312280920. Its totient is φ = 52872704.

The previous prime is 140443447. The next prime is 140443463. The reversal of 140443460 is 64344041.

140443460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17322244 + 123121216 = 4162^2 + 11096^2 .

It is not an unprimeable number, because it can be changed into a prime (140443463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206195 + ... + 206874.

It is an arithmetic number, because the mean of its divisors is an integer number (13011705).

Almost surely, 2^140443460 is an apocalyptic number.

140443460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140443460 is an abundant number, since it is smaller than the sum of its proper divisors (171837460).

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

140443460 is a wasteful number, since it uses less digits than its factorization.

140443460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413095 (or 413093 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 140443460 is about 11850.8843551863. The cubic root of 140443460 is about 519.7970855233.

The spelling of 140443460 in words is "one hundred forty million, four hundred forty-three thousand, four hundred sixty".