140907 has 8 divisors (see below), whose sum is σ = 202384. Its totient is φ = 86688.

The previous prime is 140897. The next prime is 140909. The reversal of 140907 is 709041.

140907 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 not a de Polignac number, because 140907 - 2⁴ = 140891 is a prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140907.

It is not an unprimeable number, because it can be changed into a prime (140909) 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, 1768 + ... + 1845.

It is an arithmetic number, because the mean of its divisors is an integer number (25298).

2¹⁴⁰⁹⁰⁷ is an apocalyptic number.

140907 is a deficient number, since it is larger than the sum of its proper divisors (61477).

140907 is a wasteful number, since it uses less digits than its factorization.

140907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 140907 is about 375.3758116874. The cubic root of 140907 is about 52.0368328786.

Adding to 140907 its reverse (709041), we get a palindrome (849948).

The spelling of 140907 in words is "one hundred forty thousand, nine hundred seven".