140908 has 6 divisors (see below), whose sum is σ = 246596. Its totient is φ = 70452.

The previous prime is 140897. The next prime is 140909. The reversal of 140908 is 809041.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (140909) by changing a digit.

140908 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17610 + ... + 17617.

2¹⁴⁰⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

140908 is a deficient number, since it is larger than the sum of its proper divisors (105688).

140908 is a wasteful number, since it uses less digits than its factorization.

140908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35231 (or 35229 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 140908 is about 375.3771436835. The cubic root of 140908 is about 52.0369559780.

Adding to 140908 its reverse (809041), we get a palindrome (949949).

The spelling of 140908 in words is "one hundred forty thousand, nine hundred eight".