140355144 has 48 divisors (see below), whose sum is σ = 386372220. Its totient is φ = 46016640.

The previous prime is 140355133. The next prime is 140355161. The reversal of 140355144 is 441553041.

It is a happy number.

140355144 is a `hidden beast` number, since 140 + 3 + 5 + 514 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 137592900 + 2762244 = 11730^2 + 1662^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11587 + ... + 20370.

Almost surely, 2^140355144 is an apocalyptic number.

It is an amenable number.

140355144 is an abundant number, since it is smaller than the sum of its proper divisors (246017076).

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

140355144 is a wasteful number, since it uses less digits than its factorization.

140355144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32030 (or 32023 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 140355144 is about 11847.1576337955. The cubic root of 140355144 is about 519.6881068512.

The spelling of 140355144 in words is "one hundred forty million, three hundred fifty-five thousand, one hundred forty-four".