140841346 has 4 divisors (see below), whose sum is σ = 211262022. Its totient is φ = 70420672.

The previous prime is 140841341. The next prime is 140841353. The reversal of 140841346 is 643148041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 643148041 = 31 ⋅20746711.

It can be written as a sum of positive squares in only one way, i.e., 130988025 + 9853321 = 11445^2 + 3139^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (140841341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35210335 + ... + 35210338.

Almost surely, 2^140841346 is an apocalyptic number.

140841346 is a deficient number, since it is larger than the sum of its proper divisors (70420676).

140841346 is an equidigital number, since it uses as much as digits as its factorization.

140841346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70420675.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 140841346 is about 11867.6596681907. The cubic root of 140841346 is about 520.2874963459.

Adding to 140841346 its reverse (643148041), we get a palindrome (783989387).

The spelling of 140841346 in words is "one hundred forty million, eight hundred forty-one thousand, three hundred forty-six".