140710489 has 4 divisors (see below), whose sum is σ = 140771124. Its totient is φ = 140649856.

The previous prime is 140710439. The next prime is 140710511. The reversal of 140710489 is 984017041.

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 119180889 + 21529600 = 10917^2 + 4640^2 .

It is a cyclic number.

It is not a de Polignac number, because 140710489 - 2⁹ = 140709977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140710429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26692 + ... + 31525.

It is an arithmetic number, because the mean of its divisors is an integer number (35192781).

Almost surely, 2^140710489 is an apocalyptic number.

It is an amenable number.

140710489 is a deficient number, since it is larger than the sum of its proper divisors (60635).

140710489 is an equidigital number, since it uses as much as digits as its factorization.

140710489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60634.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 140710489 is about 11862.1452107113. The cubic root of 140710489 is about 520.1263117711.

It can be divided in two parts, 140 and 710489, that multiplied together give a triangular number (99468460 = T₁₄₁₀₄).

The spelling of 140710489 in words is "one hundred forty million, seven hundred ten thousand, four hundred eighty-nine".