140893143 has 4 divisors (see below), whose sum is σ = 187857528. Its totient is φ = 93928760.

The previous prime is 140893111. The next prime is 140893157. The reversal of 140893143 is 341398041.

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 140893143 - 2⁵ = 140893111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140893163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23482188 + ... + 23482193.

It is an arithmetic number, because the mean of its divisors is an integer number (46964382).

Almost surely, 2^140893143 is an apocalyptic number.

140893143 is a deficient number, since it is larger than the sum of its proper divisors (46964385).

140893143 is an equidigital number, since it uses as much as digits as its factorization.

140893143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46964384.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 140893143 is about 11869.8417428372. The cubic root of 140893143 is about 520.3512702995.

The spelling of 140893143 in words is "one hundred forty million, eight hundred ninety-three thousand, one hundred forty-three".