140289227 has 8 divisors (see below), whose sum is σ = 152994240. Its totient is φ = 127857600.

The previous prime is 140289221. The next prime is 140289241. The reversal of 140289227 is 722982041.

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

It is not a de Polignac number, because 140289227 - 2¹⁴ = 140272843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140289221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67274 + ... + 69327.

It is an arithmetic number, because the mean of its divisors is an integer number (19124280).

Almost surely, 2^140289227 is an apocalyptic number.

140289227 is a deficient number, since it is larger than the sum of its proper divisors (12705013).

140289227 is a wasteful number, since it uses less digits than its factorization.

140289227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136693.

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

The square root of 140289227 is about 11844.3753317767. The cubic root of 140289227 is about 519.6067379178.

The spelling of 140289227 in words is "one hundred forty million, two hundred eighty-nine thousand, two hundred twenty-seven".