140010043 has 4 divisors (see below), whose sum is σ = 144526528. Its totient is φ = 135493560.

The previous prime is 140010019. The next prime is 140010053. The reversal of 140010043 is 340010041.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-140010043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140010053) 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, 2258196 + ... + 2258257.

It is an arithmetic number, because the mean of its divisors is an integer number (36131632).

Almost surely, 2^140010043 is an apocalyptic number.

140010043 is a deficient number, since it is larger than the sum of its proper divisors (4516485).

140010043 is an equidigital number, since it uses as much as digits as its factorization.

140010043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516484.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 140010043 is about 11832.5839527975. The cubic root of 140010043 is about 519.2618261307.

Adding to 140010043 its reverse (340010041), we get a palindrome (480020084).

The spelling of 140010043 in words is "one hundred forty million, ten thousand, forty-three".