140439704 has 32 divisors (see below), whose sum is σ = 269892000. Its totient is φ = 68490240.

The previous prime is 140439671. The next prime is 140439709. The reversal of 140439704 is 407934041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140439709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53822 + ... + 56370.

It is an arithmetic number, because the mean of its divisors is an integer number (8434125).

Almost surely, 2^140439704 is an apocalyptic number.

It is an amenable number.

140439704 is a deficient number, since it is larger than the sum of its proper divisors (129452296).

140439704 is a wasteful number, since it uses less digits than its factorization.

140439704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723 (or 2719 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 140439704 is about 11850.7258849406. The cubic root of 140439704 is about 519.7924516887.

The spelling of 140439704 in words is "one hundred forty million, four hundred thirty-nine thousand, seven hundred four".