140843632 has 20 divisors (see below), whose sum is σ = 277359976. Its totient is φ = 69266880.

The previous prime is 140843621. The next prime is 140843641. The reversal of 140843632 is 236348041.

It is a junction number, because it is equal to n+sod(n) for n = 140843594 and 140843603.

It is a congruent number.

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, 71178 + ... + 73129.

Almost surely, 2^140843632 is an apocalyptic number.

It is an amenable number.

140843632 is a deficient number, since it is larger than the sum of its proper divisors (136516344).

140843632 is a wasteful number, since it uses less digits than its factorization.

140843632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144376 (or 144370 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 140843632 is about 11867.7559799652. The cubic root of 140843632 is about 520.2903112645.

The spelling of 140843632 in words is "one hundred forty million, eight hundred forty-three thousand, six hundred thirty-two".