140263143 has 4 divisors (see below), whose sum is σ = 187017528. Its totient is φ = 93508760.

The previous prime is 140263121. The next prime is 140263153. The reversal of 140263143 is 341362041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341362041 = 3 ⋅113787347.

It is a cyclic number.

It is not a de Polignac number, because 140263143 - 2¹³ = 140254951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140263153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23377188 + ... + 23377193.

It is an arithmetic number, because the mean of its divisors is an integer number (46754382).

Almost surely, 2^140263143 is an apocalyptic number.

140263143 is a deficient number, since it is larger than the sum of its proper divisors (46754385).

140263143 is an equidigital number, since it uses as much as digits as its factorization.

140263143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46754384.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 140263143 is about 11843.2741672225. The cubic root of 140263143 is about 519.5745323985.

The spelling of 140263143 in words is "one hundred forty million, two hundred sixty-three thousand, one hundred forty-three".