140346 has 32 divisors (see below), whose sum is σ = 328320. Its totient is φ = 44352.

The previous prime is 140339. The next prime is 140351. The reversal of 140346 is 643041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140346.

It is an unprimeable 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 15 ways as a sum of consecutive naturals, for example, 1186 + ... + 1298.

It is an arithmetic number, because the mean of its divisors is an integer number (10260).

2¹⁴⁰³⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164160).

140346 is an abundant number, since it is smaller than the sum of its proper divisors (187974).

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

140346 is a wasteful number, since it uses less digits than its factorization.

140346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140346 is about 374.6278153047. The cubic root of 140346 is about 51.9676820883.

Adding to 140346 its reverse (643041), we get a palindrome (783387).

The spelling of 140346 in words is "one hundred forty thousand, three hundred forty-six".