140500873 has 4 divisors (see below), whose sum is σ = 142804228. Its totient is φ = 138197520.

The previous prime is 140500861. The next prime is 140500879. The reversal of 140500873 is 378005041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11269449 + 129231424 = 3357^2 + 11368^2 .

It is a cyclic number.

It is not a de Polignac number, because 140500873 - 2²¹ = 138403721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140500879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151586 + ... + 1151707.

It is an arithmetic number, because the mean of its divisors is an integer number (35701057).

Almost surely, 2^140500873 is an apocalyptic number.

It is an amenable number.

140500873 is a deficient number, since it is larger than the sum of its proper divisors (2303355).

140500873 is an equidigital number, since it uses as much as digits as its factorization.

140500873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303354.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 140500873 is about 11853.3064163549. The cubic root of 140500873 is about 519.8679065364.

The spelling of 140500873 in words is "one hundred forty million, five hundred thousand, eight hundred seventy-three".