140913 has 16 divisors (see below), whose sum is σ = 221760. Its totient is φ = 88128.

The previous prime is 140909. The next prime is 140929. The reversal of 140913 is 319041.

It is not a de Polignac number, because 140913 - 2² = 140909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306 + ... + 612.

It is an arithmetic number, because the mean of its divisors is an integer number (13860).

2¹⁴⁰⁹¹³ is an apocalyptic number.

It is an amenable number.

140913 is a deficient number, since it is larger than the sum of its proper divisors (80847).

140913 is a wasteful number, since it uses less digits than its factorization.

140913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 140913 is about 375.3838035931. The cubic root of 140913 is about 52.0375714663.

Adding to 140913 its reverse (319041), we get a palindrome (459954).

The spelling of 140913 in words is "one hundred forty thousand, nine hundred thirteen".