140232256 has 28 divisors (see below), whose sum is σ = 279739852. Its totient is φ = 69746688.

The previous prime is 140232233. The next prime is 140232263. The reversal of 140232256 is 652232041.

It can be written as a sum of positive squares in 2 ways, for example, as 36192256 + 104040000 = 6016^2 + 10200^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140232256.

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, 6676 + ... + 18028.

It is an arithmetic number, because the mean of its divisors is an integer number (9990709).

Almost surely, 2^140232256 is an apocalyptic number.

140232256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140232256 is a deficient number, since it is larger than the sum of its proper divisors (139507596).

140232256 is a wasteful number, since it uses less digits than its factorization.

140232256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11558 (or 11548 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 140232256 is about 11841.9701063632. The cubic root of 140232256 is about 519.5363915242.

Adding to 140232256 its reverse (652232041), we get a palindrome (792464297).

The spelling of 140232256 in words is "one hundred forty million, two hundred thirty-two thousand, two hundred fifty-six".