140258 has 8 divisors (see below), whose sum is σ = 221520. Its totient is φ = 66420.

The previous prime is 140249. The next prime is 140263. The reversal of 140258 is 852041.

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

It is an unprimeable number.

140258 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 in 3 ways as a sum of consecutive naturals, for example, 1808 + ... + 1883.

It is an arithmetic number, because the mean of its divisors is an integer number (27690).

2¹⁴⁰²⁵⁸ is an apocalyptic number.

140258 is a deficient number, since it is larger than the sum of its proper divisors (81262).

140258 is a wasteful number, since it uses less digits than its factorization.

140258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 140258 is about 374.5103469866. The cubic root of 140258 is about 51.9568181943.

Adding to 140258 its reverse (852041), we get a palindrome (992299).

The spelling of 140258 in words is "one hundred forty thousand, two hundred fifty-eight".