140022320200421 has 8 divisors (see below), whose sum is σ = 148261693074624. Its totient is φ = 131783254637760.

The previous prime is 140022320200409. The next prime is 140022320200453. The reversal of 140022320200421 is 124002023220041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140022320200421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140022320200481) 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, 75889475 + ... + 77712656.

It is an arithmetic number, because the mean of its divisors is an integer number (18532711634328).

Almost surely, 2^{140022320200421} is an apocalyptic number.

It is an amenable number.

140022320200421 is a deficient number, since it is larger than the sum of its proper divisors (8239372874203).

140022320200421 is a wasteful number, since it uses less digits than its factorization.

140022320200421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153655771.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 140022320200421 its reverse (124002023220041), we get a palindrome (264024343420462).

The spelling of 140022320200421 in words is "one hundred forty trillion, twenty-two billion, three hundred twenty million, two hundred thousand, four hundred twenty-one".