140019223 has 12 divisors (see below), whose sum is σ = 146927088. Its totient is φ = 133355040.

The previous prime is 140019203. The next prime is 140019233. The reversal of 140019223 is 322910041.

It is not a de Polignac number, because 140019223 - 2²⁵ = 106464791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140019194 and 140019203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140019203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74886 + ... + 76732.

It is an arithmetic number, because the mean of its divisors is an integer number (12243924).

Almost surely, 2^140019223 is an apocalyptic number.

140019223 is a deficient number, since it is larger than the sum of its proper divisors (6907865).

140019223 is an equidigital number, since it uses as much as digits as its factorization.

140019223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 140019223 is about 11832.9718583287. The cubic root of 140019223 is about 519.2731746484.

Adding to 140019223 its reverse (322910041), we get a palindrome (462929264).

The spelling of 140019223 in words is "one hundred forty million, nineteen thousand, two hundred twenty-three".