140044535 has 12 divisors (see below), whose sum is σ = 177366168. Its totient is φ = 106137648.

The previous prime is 140044523. The next prime is 140044543. The reversal of 140044535 is 535440041.

It is not a de Polignac number, because 140044535 - 2²⁶ = 72935671 is a prime.

It is a super-2 number, since 2×140044535² = 39224943566732450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36989 + ... + 40598.

It is an arithmetic number, because the mean of its divisors is an integer number (14780514).

Almost surely, 2^140044535 is an apocalyptic number.

140044535 is a deficient number, since it is larger than the sum of its proper divisors (37321633).

140044535 is an equidigital number, since it uses as much as digits as its factorization.

140044535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77630 (or 77611 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 140044535 is about 11834.0413637945. The cubic root of 140044535 is about 519.3044633300.

Adding to 140044535 its reverse (535440041), we get a palindrome (675484576).

The spelling of 140044535 in words is "one hundred forty million, forty-four thousand, five hundred thirty-five".