140553143 has 2 divisors, whose sum is σ = 140553144. Its totient is φ = 140553142.

The previous prime is 140553139. The next prime is 140553181. The reversal of 140553143 is 341355041.

140553143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140553143 - 2² = 140553139 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140552143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70276571 + 70276572.

It is an arithmetic number, because the mean of its divisors is an integer number (70276572).

Almost surely, 2^140553143 is an apocalyptic number.

140553143 is a deficient number, since it is larger than the sum of its proper divisors (1).

140553143 is an equidigital number, since it uses as much as digits as its factorization.

140553143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 140553143 is about 11855.5110813495. The cubic root of 140553143 is about 519.9323666968.

The spelling of 140553143 in words is "one hundred forty million, five hundred fifty-three thousand, one hundred forty-three".