140030043 has 4 divisors (see below), whose sum is σ = 186706728. Its totient is φ = 93353360.

The previous prime is 140030041. The next prime is 140030063. The reversal of 140030043 is 340030041.

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

It is a cyclic number.

It is not a de Polignac number, because 140030043 - 2¹ = 140030041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140030041) 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, 23338338 + ... + 23338343.

It is an arithmetic number, because the mean of its divisors is an integer number (46676682).

Almost surely, 2^140030043 is an apocalyptic number.

140030043 is a deficient number, since it is larger than the sum of its proper divisors (46676685).

140030043 is an equidigital number, since it uses as much as digits as its factorization.

140030043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46676684.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 140030043 is about 11833.4290465613. The cubic root of 140030043 is about 519.2865499334.

Adding to 140030043 its reverse (340030041), we get a palindrome (480060084).

The spelling of 140030043 in words is "one hundred forty million, thirty thousand, forty-three".