140143407140817 has 20 divisors (see below), whose sum is σ = 209387620657380. Its totient is φ = 93412161183744.

The previous prime is 140143407140809. The next prime is 140143407140833. The reversal of 140143407140817 is 718041704341041.

It is a happy number.

140143407140817 is a `hidden beast` number, since 14 + 0 + 14 + 3 + 407 + 140 + 81 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 87482275414416 + 52661131726401 = 9353196^2 + 7256799^2 .

It is not a de Polignac number, because 140143407140817 - 2³ = 140143407140809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140143407140897) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 154887888 + ... + 155790065.

It is an arithmetic number, because the mean of its divisors is an integer number (10469381032869).

Almost surely, 2^{140143407140817} is an apocalyptic number.

It is an amenable number.

140143407140817 is a deficient number, since it is larger than the sum of its proper divisors (69244213516563).

140143407140817 is an equidigital number, since it uses as much as digits as its factorization.

140143407140817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310683534 (or 310683525 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 140143407140817 in words is "one hundred forty trillion, one hundred forty-three billion, four hundred seven million, one hundred forty thousand, eight hundred seventeen".