140243403001 has 4 divisors (see below), whose sum is σ = 151031357092. Its totient is φ = 129455448912.

The previous prime is 140243402993. The next prime is 140243403007. The reversal of 140243403001 is 100304342041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28988467600 + 111254935401 = 170260^2 + 333549^2 .

It is a cyclic number.

It is not a de Polignac number, because 140243403001 - 2³ = 140243402993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140243403007) 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, 5393977026 + ... + 5393977051.

It is an arithmetic number, because the mean of its divisors is an integer number (37757839273).

Almost surely, 2^140243403001 is an apocalyptic number.

It is an amenable number.

140243403001 is a deficient number, since it is larger than the sum of its proper divisors (10787954091).

140243403001 is a wasteful number, since it uses less digits than its factorization.

140243403001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10787954090.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 140243403001 its reverse (100304342041), we get a palindrome (240547745042).

The spelling of 140243403001 in words is "one hundred forty billion, two hundred forty-three million, four hundred three thousand, one".