140223752 has 16 divisors (see below), whose sum is σ = 278385660. Its totient is φ = 65987584.

The previous prime is 140223749. The next prime is 140223761. The reversal of 140223752 is 257322041.

It can be written as a sum of positive squares in 2 ways, for example, as 133494916 + 6728836 = 11554^2 + 2594^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515393 + ... + 515664.

Almost surely, 2^140223752 is an apocalyptic number.

It is an amenable number.

140223752 is a deficient number, since it is larger than the sum of its proper divisors (138161908).

140223752 is a wasteful number, since it uses less digits than its factorization.

140223752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031080 (or 1031076 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 140223752 is about 11841.6110390436. The cubic root of 140223752 is about 519.5258893594.

Adding to 140223752 its reverse (257322041), we get a palindrome (397545793).

The spelling of 140223752 in words is "one hundred forty million, two hundred twenty-three thousand, seven hundred fifty-two".