140318256 has 40 divisors (see below), whose sum is σ = 390374320. Its totient is φ = 43174656.

The previous prime is 140318251. The next prime is 140318257. The reversal of 140318256 is 652813041.

It is not an unprimeable number, because it can be changed into a prime (140318251) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 111811 + ... + 113058.

It is an arithmetic number, because the mean of its divisors is an integer number (9759358).

Almost surely, 2^140318256 is an apocalyptic number.

140318256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140318256 is an abundant number, since it is smaller than the sum of its proper divisors (250056064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140318256 is a wasteful number, since it uses less digits than its factorization.

140318256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224893 (or 224887 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 140318256 is about 11845.6007023705. The cubic root of 140318256 is about 519.6425748908.

The spelling of 140318256 in words is "one hundred forty million, three hundred eighteen thousand, two hundred fifty-six".