140337439 has 8 divisors (see below), whose sum is σ = 161153280. Its totient is φ = 120864600.

The previous prime is 140337419. The next prime is 140337443. The reversal of 140337439 is 934733041.

It is a happy number.

140337439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140337439 - 2⁷ = 140337311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140337419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335527 + ... + 335944.

It is an arithmetic number, because the mean of its divisors is an integer number (20144160).

Almost surely, 2^140337439 is an apocalyptic number.

140337439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

140337439 is a deficient number, since it is larger than the sum of its proper divisors (20815841).

140337439 is a wasteful number, since it uses less digits than its factorization.

140337439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671501.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 140337439 is about 11846.4103845849. The cubic root of 140337439 is about 519.6662540365. Note that the first 3 decimals are identical.

The spelling of 140337439 in words is "one hundred forty million, three hundred thirty-seven thousand, four hundred thirty-nine".