140158 has 4 divisors (see below), whose sum is σ = 210240. Its totient is φ = 70078.

The previous prime is 140143. The next prime is 140159. The reversal of 140158 is 851041.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140159) by changing a digit.

140158 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, 35038 + ... + 35041.

It is an arithmetic number, because the mean of its divisors is an integer number (52560).

2¹⁴⁰¹⁵⁸ is an apocalyptic number.

140158 is a deficient number, since it is larger than the sum of its proper divisors (70082).

140158 is an equidigital number, since it uses as much as digits as its factorization.

140158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70081.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 140158 is about 374.3768155215. The cubic root of 140158 is about 51.9444673430.

Adding to 140158 its reverse (851041), we get a palindrome (991199).

The spelling of 140158 in words is "one hundred forty thousand, one hundred fifty-eight".