140752273 has 4 divisors (see below), whose sum is σ = 140781168. Its totient is φ = 140723380.

The previous prime is 140752267. The next prime is 140752319. The reversal of 140752273 is 372257041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140752273 - 2²⁵ = 107197841 is a prime.

It is a super-2 number, since 2×140752273² = 39622404709333058, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140752873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5143 + ... + 17548.

It is an arithmetic number, because the mean of its divisors is an integer number (35195292).

Almost surely, 2^140752273 is an apocalyptic number.

It is an amenable number.

140752273 is a deficient number, since it is larger than the sum of its proper divisors (28895).

140752273 is an equidigital number, since it uses as much as digits as its factorization.

140752273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28894.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 140752273 is about 11863.9063128465. The cubic root of 140752273 is about 520.1777905370.

The spelling of 140752273 in words is "one hundred forty million, seven hundred fifty-two thousand, two hundred seventy-three".