140729263 has 4 divisors (see below), whose sum is σ = 141515640. Its totient is φ = 139942888.

The previous prime is 140729221. The next prime is 140729269. The reversal of 140729263 is 362927041.

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 140729263 - 2⁹ = 140728751 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 (140729269) 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, 392920 + ... + 393277.

It is an arithmetic number, because the mean of its divisors is an integer number (35378910).

Almost surely, 2^140729263 is an apocalyptic number.

140729263 is a deficient number, since it is larger than the sum of its proper divisors (786377).

140729263 is an equidigital number, since it uses as much as digits as its factorization.

140729263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786376.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 140729263 is about 11862.9365251610. The cubic root of 140729263 is about 520.1494429942.

The spelling of 140729263 in words is "one hundred forty million, seven hundred twenty-nine thousand, two hundred sixty-three".