140621227 has 8 divisors (see below), whose sum is σ = 144936000. Its totient is φ = 136361664.

The previous prime is 140621209. The next prime is 140621231. The reversal of 140621227 is 722126041.

140621227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140621227 - 2¹⁹ = 140096939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140621207) 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, 8602 + ... + 18847.

It is an arithmetic number, because the mean of its divisors is an integer number (18117000).

Almost surely, 2^140621227 is an apocalyptic number.

140621227 is a deficient number, since it is larger than the sum of its proper divisors (4314773).

140621227 is a wasteful number, since it uses less digits than its factorization.

140621227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27605.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 140621227 is about 11858.3821409162. The cubic root of 140621227 is about 520.0163049621.

Adding to 140621227 its reverse (722126041), we get a palindrome (862747268).

The spelling of 140621227 in words is "one hundred forty million, six hundred twenty-one thousand, two hundred twenty-seven".