140507 has 8 divisors (see below), whose sum is σ = 151200. Its totient is φ = 130240.

The previous prime is 140477. The next prime is 140521. The reversal of 140507 is 705041.

It is a happy number.

140507 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 140507 - 2⁶ = 140443 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140507.

It is not an unprimeable number, because it can be changed into a prime (140527) 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, 869 + ... + 1017.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2¹⁴⁰⁵⁰⁷ is an apocalyptic number.

140507 is a deficient number, since it is larger than the sum of its proper divisors (10693).

140507 is a wasteful number, since it uses less digits than its factorization.

140507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 140507 is about 374.8426336478. The cubic root of 140507 is about 51.9875463273.

Adding to 140507 its reverse (705041), we get a palindrome (845548).

The spelling of 140507 in words is "one hundred forty thousand, five hundred seven".