1020000140443 has 4 divisors (see below), whose sum is σ = 1022366730528. Its totient is φ = 1017633550360.

The previous prime is 1020000140429. The next prime is 1020000140491. The reversal of 1020000140443 is 3440410000201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020000140443 - 2³⁷ = 882561186971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020000140443.

It is not an unprimeable number, because it can be changed into a prime (1020000140143) 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, 1183294396 + ... + 1183295257.

It is an arithmetic number, because the mean of its divisors is an integer number (255591682632).

Almost surely, 2^{1020000140443} is an apocalyptic number.

1020000140443 is a deficient number, since it is larger than the sum of its proper divisors (2366590085).

1020000140443 is an equidigital number, since it uses as much as digits as its factorization.

1020000140443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366590084.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1020000140443 its reverse (3440410000201), we get a palindrome (4460410140644).

The spelling of 1020000140443 in words is "one trillion, twenty billion, one hundred forty thousand, four hundred forty-three".