140544130 has 16 divisors (see below), whose sum is σ = 259817400. Its totient is φ = 54698112.

The previous prime is 140544109. The next prime is 140544133. The reversal of 140544130 is 31445041.

It can be written as a sum of positive squares in 4 ways, for example, as 128799801 + 11744329 = 11349^2 + 3427^2 .

It is not an unprimeable number, because it can be changed into a prime (140544133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189555 + ... + 190294.

Almost surely, 2^140544130 is an apocalyptic number.

140544130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140544130 is a deficient number, since it is larger than the sum of its proper divisors (119273270).

140544130 is a wasteful number, since it uses less digits than its factorization.

140544130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379893.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140544130 is about 11855.1309566786. The cubic root of 140544130 is about 519.9212528683.

Adding to 140544130 its reverse (31445041), we get a palindrome (171989171).

The spelling of 140544130 in words is "one hundred forty million, five hundred forty-four thousand, one hundred thirty".