140443035421401 has 12 divisors (see below), whose sum is σ = 202864261448212. Its totient is φ = 93627721431936.

The previous prime is 140443035421301. The next prime is 140443035421417. The reversal of 140443035421401 is 104124530344041.

It is a happy number.

140443035421401 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 430 + 3 + 5 + 4 + 214 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 77035641230025 + 63407394191376 = 8776995^2 + 7962876^2 .

It is not a de Polignac number, because 140443035421401 - 2¹³ = 140443035413209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140443035421471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79818796 + ... + 81559341.

Almost surely, 2^{140443035421401} is an apocalyptic number.

It is an amenable number.

140443035421401 is a deficient number, since it is larger than the sum of its proper divisors (62421226026811).

140443035421401 is a wasteful number, since it uses less digits than its factorization.

140443035421401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161474840 (or 161474837 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 140443035421401 its reverse (104124530344041), we get a palindrome (244567565765442).

The spelling of 140443035421401 in words is "one hundred forty trillion, four hundred forty-three billion, thirty-five million, four hundred twenty-one thousand, four hundred one".