140224223233421 has 16 divisors (see below), whose sum is σ = 151000478354880. Its totient is φ = 129729165968640.

The previous prime is 140224223233361. The next prime is 140224223233441. The reversal of 140224223233421 is 124332322422041.

It is not a de Polignac number, because 140224223233421 - 2³⁴ = 140207043364237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140224223233441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8219426 + ... + 18654956.

It is an arithmetic number, because the mean of its divisors is an integer number (9437529897180).

Almost surely, 2^{140224223233421} is an apocalyptic number.

It is an amenable number.

140224223233421 is a deficient number, since it is larger than the sum of its proper divisors (10776255121459).

140224223233421 is a wasteful number, since it uses less digits than its factorization.

140224223233421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10449004.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 140224223233421 its reverse (124332322422041), we get a palindrome (264556545655462).

The spelling of 140224223233421 in words is "one hundred forty trillion, two hundred twenty-four billion, two hundred twenty-three million, two hundred thirty-three thousand, four hundred twenty-one".