140106 has 16 divisors (see below), whose sum is σ = 295200. Its totient is φ = 44208.

The previous prime is 140071. The next prime is 140111. The reversal of 140106 is 601041.

It is an Ulam number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 140091 and 140100.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140106.

It is an unprimeable number.

140106 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501 + ... + 728.

It is an arithmetic number, because the mean of its divisors is an integer number (18450).

2¹⁴⁰¹⁰⁶ is an apocalyptic number.

140106 is an abundant number, since it is smaller than the sum of its proper divisors (155094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140106 is a wasteful number, since it uses less digits than its factorization.

140106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 140106 is about 374.3073603337. The cubic root of 140106 is about 51.9380425785.

Adding to 140106 its reverse (601041), we get a palindrome (741147).

The spelling of 140106 in words is "one hundred forty thousand, one hundred six".