9140143 has 2 divisors, whose sum is σ = 9140144. Its totient is φ = 9140142.

The previous prime is 9140129. The next prime is 9140149. The reversal of 9140143 is 3410419.

It is a strong prime.

It is an emirp because it is prime and its reverse (3410419) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9140143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9140149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4570071 + 4570072.

It is an arithmetic number, because the mean of its divisors is an integer number (4570072).

Almost surely, 2^9140143 is an apocalyptic number.

9140143 is a deficient number, since it is larger than the sum of its proper divisors (1).

9140143 is an equidigital number, since it uses as much as digits as its factorization.

9140143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 9140143 is about 3023.2669415717. The cubic root of 9140143 is about 209.0824899686.

The spelling of 9140143 in words is "nine million, one hundred forty thousand, one hundred forty-three".