140263 has 2 divisors, whose sum is σ = 140264. Its totient is φ = 140262.

The previous prime is 140249. The next prime is 140269. The reversal of 140263 is 362041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140263 - 2¹³ = 132071 is a prime.

140263 is a lucky number.

It is a plaindrome in base 9.

It is a nialpdrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70131 + 70132.

It is an arithmetic number, because the mean of its divisors is an integer number (70132).

2¹⁴⁰²⁶³ is an apocalyptic number.

140263 is a deficient number, since it is larger than the sum of its proper divisors (1).

140263 is an equidigital number, since it uses as much as digits as its factorization.

140263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140263 is about 374.5170223101. The cubic root of 140263 is about 51.9574355828.

The spelling of 140263 in words is "one hundred forty thousand, two hundred sixty-three".