140420220041421 has 16 divisors (see below), whose sum is σ = 220267011830400. Its totient is φ = 88106804731584.

The previous prime is 140420220041393. The next prime is 140420220041501. The reversal of 140420220041421 is 124140022024041.

140420220041421 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 2 + 0 + 220 + 0 + 414 + 21 = 666.

It is not a de Polignac number, because 140420220041421 - 2²¹ = 140420217944269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140420220041821) 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, 152963202201 + ... + 152963203118.

It is an arithmetic number, because the mean of its divisors is an integer number (13766688239400).

Almost surely, 2^{140420220041421} is an apocalyptic number.

It is an amenable number.

140420220041421 is a deficient number, since it is larger than the sum of its proper divisors (79846791788979).

140420220041421 is a wasteful number, since it uses less digits than its factorization.

140420220041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305926405345 (or 305926405339 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 140420220041421 its reverse (124140022024041), we get a palindrome (264560242065462).

The spelling of 140420220041421 in words is "one hundred forty trillion, four hundred twenty billion, two hundred twenty million, forty-one thousand, four hundred twenty-one".