140134043 has 16 divisors (see below), whose sum is σ = 175048704. Its totient is φ = 109399680.

The previous prime is 140134037. The next prime is 140134073. The reversal of 140134043 is 340431041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140134043 - 2²⁰ = 139085467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140134073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15305 + ... + 22682.

It is an arithmetic number, because the mean of its divisors is an integer number (10940544).

Almost surely, 2^140134043 is an apocalyptic number.

140134043 is a deficient number, since it is larger than the sum of its proper divisors (34914661).

140134043 is a wasteful number, since it uses less digits than its factorization.

140134043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38042.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140134043 is about 11837.8225616031. The cubic root of 140134043 is about 519.4150757734.

Adding to 140134043 its reverse (340431041), we get a palindrome (480565084).

The spelling of 140134043 in words is "one hundred forty million, one hundred thirty-four thousand, forty-three".