140420220401441 has 4 divisors (see below), whose sum is σ = 141525891428352. Its totient is φ = 139314549374532.

The previous prime is 140420220401431. The next prime is 140420220401453. The reversal of 140420220401441 is 144104022024041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140420220401441 - 2²² = 140420216207137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140420220401431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552835513265 + ... + 552835513518.

It is an arithmetic number, because the mean of its divisors is an integer number (35381472857088).

Almost surely, 2^{140420220401441} is an apocalyptic number.

It is an amenable number.

140420220401441 is a deficient number, since it is larger than the sum of its proper divisors (1105671026911).

140420220401441 is a wasteful number, since it uses less digits than its factorization.

140420220401441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105671026910.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 140420220401441 its reverse (144104022024041), we get a palindrome (284524242425482).

The spelling of 140420220401441 in words is "one hundred forty trillion, four hundred twenty billion, two hundred twenty million, four hundred one thousand, four hundred forty-one".