1000140244 has 6 divisors (see below), whose sum is σ = 1750245434. Its totient is φ = 500070120.

The previous prime is 1000140233. The next prime is 1000140283. The reversal of 1000140244 is 4420410001.

It can be written as a sum of positive squares in only one way, i.e., 999824400 + 315844 = 31620^2 + 562^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125017527 + ... + 125017534.

Almost surely, 2^1000140244 is an apocalyptic number.

It is an amenable number.

1000140244 is a deficient number, since it is larger than the sum of its proper divisors (750105190).

1000140244 is a wasteful number, since it uses less digits than its factorization.

1000140244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250035065 (or 250035063 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1000140244 is about 31624.9939762840. The cubic root of 1000140244 is about 1000.0467458148.

Adding to 1000140244 its reverse (4420410001), we get a palindrome (5420550245).

The spelling of 1000140244 in words is "one billion, one hundred forty thousand, two hundred forty-four".