140322263 has 4 divisors (see below), whose sum is σ = 141027600. Its totient is φ = 139616928.

The previous prime is 140322253. The next prime is 140322317. The reversal of 140322263 is 362223041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362223041 = 53 ⋅6834397.

It is a cyclic number.

It is not a de Polignac number, because 140322263 - 2¹⁰ = 140321239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140322253) 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, 352370 + ... + 352767.

It is an arithmetic number, because the mean of its divisors is an integer number (35256900).

Almost surely, 2^140322263 is an apocalyptic number.

140322263 is a deficient number, since it is larger than the sum of its proper divisors (705337).

140322263 is an equidigital number, since it uses as much as digits as its factorization.

140322263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705336.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 140322263 is about 11845.7698356840. The cubic root of 140322263 is about 519.6475212369.

The spelling of 140322263 in words is "one hundred forty million, three hundred twenty-two thousand, two hundred sixty-three".