140044130 has 16 divisors (see below), whose sum is σ = 266907960. Its totient is φ = 52722432.

The previous prime is 140044129. The next prime is 140044133. The reversal of 140044130 is 31440041.

It can be written as a sum of positive squares in 4 ways, for example, as 136632721 + 3411409 = 11689^2 + 1847^2 .

It is a super-2 number, since 2×140044130² = 39224716694913800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 140044099 and 140044108.

It is not an unprimeable number, because it can be changed into a prime (140044133) 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, 411725 + ... + 412064.

Almost surely, 2^140044130 is an apocalyptic number.

140044130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140044130 is a deficient number, since it is larger than the sum of its proper divisors (126863830).

140044130 is a wasteful number, since it uses less digits than its factorization.

140044130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823813.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140044130 is about 11834.0242521300. The cubic root of 140044130 is about 519.3039627309.

Adding to 140044130 its reverse (31440041), we get a palindrome (171484171).

The spelling of 140044130 in words is "one hundred forty million, forty-four thousand, one hundred thirty".