140430051 has 8 divisors (see below), whose sum is σ = 208044560. Its totient is φ = 93620016.

The previous prime is 140430011. The next prime is 140430061. The reversal of 140430051 is 150034041.

It is a happy number.

It is not a de Polignac number, because 140430051 - 2⁶ = 140429987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140430011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2600530 + ... + 2600583.

It is an arithmetic number, because the mean of its divisors is an integer number (26005570).

Almost surely, 2^140430051 is an apocalyptic number.

140430051 is a deficient number, since it is larger than the sum of its proper divisors (67614509).

140430051 is an equidigital number, since it uses as much as digits as its factorization.

140430051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201122 (or 5201116 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 140430051 is about 11850.3186033119. The cubic root of 140430051 is about 519.7805422563.

Adding to 140430051 its reverse (150034041), we get a palindrome (290464092).

The spelling of 140430051 in words is "one hundred forty million, four hundred thirty thousand, fifty-one".