140256344 has 16 divisors (see below), whose sum is σ = 270088800. Its totient is φ = 68232672.

The previous prime is 140256343. The next prime is 140256371. The reversal of 140256344 is 443652041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140256343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236624 + ... + 237215.

It is an arithmetic number, because the mean of its divisors is an integer number (16880550).

Almost surely, 2^140256344 is an apocalyptic number.

It is an amenable number.

140256344 is a deficient number, since it is larger than the sum of its proper divisors (129832456).

140256344 is a wasteful number, since it uses less digits than its factorization.

140256344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473882 (or 473878 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 140256344 is about 11842.9871231881. The cubic root of 140256344 is about 519.5661371203.

The spelling of 140256344 in words is "one hundred forty million, two hundred fifty-six thousand, three hundred forty-four".