140146 has 8 divisors (see below), whose sum is σ = 213120. Its totient is φ = 69108.

The previous prime is 140143. The next prime is 140159. The reversal of 140146 is 641041.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286 + ... + 601.

It is an arithmetic number, because the mean of its divisors is an integer number (26640).

2¹⁴⁰¹⁴⁶ is an apocalyptic number.

140146 is a deficient number, since it is larger than the sum of its proper divisors (72974).

140146 is an equidigital number, since it uses as much as digits as its factorization.

140146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140146 is about 374.3607885450. The cubic root of 140146 is about 51.9429848461.

Adding to 140146 its reverse (641041), we get a palindrome (781187).

It can be divided in two parts, 1401 and 46, that multiplied together give a palindrome (64446).

The spelling of 140146 in words is "one hundred forty thousand, one hundred forty-six".