140227289 has 8 divisors (see below), whose sum is σ = 141886080. Its totient is φ = 138574000.

The previous prime is 140227261. The next prime is 140227313. The reversal of 140227289 is 982722041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140227289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140227249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71654 + ... + 73584.

It is an arithmetic number, because the mean of its divisors is an integer number (17735760).

Almost surely, 2^140227289 is an apocalyptic number.

It is an amenable number.

140227289 is a deficient number, since it is larger than the sum of its proper divisors (1658791).

140227289 is a wasteful number, since it uses less digits than its factorization.

140227289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 140227289 is about 11841.7603843348. The cubic root of 140227289 is about 519.5302574915.

The spelling of 140227289 in words is "one hundred forty million, two hundred twenty-seven thousand, two hundred eighty-nine".