140439032 has 32 divisors (see below), whose sum is σ = 283641600. Its totient is φ = 64973664.

The previous prime is 140439001. The next prime is 140439043. The reversal of 140439032 is 230934041.

It is a junction number, because it is equal to n+sod(n) for n = 140438992 and 140439010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4208 + ... + 17279.

It is an arithmetic number, because the mean of its divisors is an integer number (8863800).

Almost surely, 2^140439032 is an apocalyptic number.

It is an amenable number.

140439032 is an abundant number, since it is smaller than the sum of its proper divisors (143202568).

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

140439032 is a wasteful number, since it uses less digits than its factorization.

140439032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21555 (or 21551 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 140439032 is about 11850.6975322130. The cubic root of 140439032 is about 519.7916226234.

The spelling of 140439032 in words is "one hundred forty million, four hundred thirty-nine thousand, thirty-two".