140244435 has 24 divisors (see below), whose sum is σ = 251475120. Its totient is φ = 72217152.

The previous prime is 140244361. The next prime is 140244437. The reversal of 140244435 is 534442041.

It is a happy number.

It is not a de Polignac number, because 140244435 - 2²⁶ = 73135571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140244399 and 140244408.

It is not an unprimeable number, because it can be changed into a prime (140244437) 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 23 ways as a sum of consecutive naturals, for example, 52429 + ... + 55038.

It is an arithmetic number, because the mean of its divisors is an integer number (10478130).

Almost surely, 2^140244435 is an apocalyptic number.

140244435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140244435 is a deficient number, since it is larger than the sum of its proper divisors (111230685).

140244435 is a wasteful number, since it uses less digits than its factorization.

140244435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107507 (or 107504 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 140244435 is about 11842.4843255121. The cubic root of 140244435 is about 519.5514314557.

Adding to 140244435 its reverse (534442041), we get a palindrome (674686476).

The spelling of 140244435 in words is "one hundred forty million, two hundred forty-four thousand, four hundred thirty-five".