7140143 has 8 divisors (see below), whose sum is σ = 7843200. Its totient is φ = 6469848.

The previous prime is 7140127. The next prime is 7140157. The reversal of 7140143 is 3410417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7140143 - 2⁴ = 7140127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7140113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7733 + ... + 8606.

It is an arithmetic number, because the mean of its divisors is an integer number (980400).

Almost surely, 2^7140143 is an apocalyptic number.

7140143 is a deficient number, since it is larger than the sum of its proper divisors (703057).

7140143 is a wasteful number, since it uses less digits than its factorization.

7140143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16381.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 7140143 is about 2672.1046012460. The cubic root of 7140143 is about 192.5612825631.

The spelling of 7140143 in words is "seven million, one hundred forty thousand, one hundred forty-three".