140220404322431 has 8 divisors (see below), whose sum is σ = 144011481760704. Its totient is φ = 136429397241120.

The previous prime is 140220404322421. The next prime is 140220404322433. The reversal of 140220404322431 is 134223404022041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 140220404322431 - 2¹⁰ = 140220404321407 is a prime.

It is a super-2 number, since 2×140220404322431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140220404322433) 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, 13536935 + ... + 21533448.

It is an arithmetic number, because the mean of its divisors is an integer number (18001435220088).

Almost surely, 2^{140220404322431} is an apocalyptic number.

140220404322431 is a deficient number, since it is larger than the sum of its proper divisors (3791077438273).

140220404322431 is a wasteful number, since it uses less digits than its factorization.

140220404322431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35178481.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 140220404322431 its reverse (134223404022041), we get a palindrome (274443808344472).

The spelling of 140220404322431 in words is "one hundred forty trillion, two hundred twenty billion, four hundred four million, three hundred twenty-two thousand, four hundred thirty-one".