140404227 has 4 divisors (see below), whose sum is σ = 187205640. Its totient is φ = 93602816.

The previous prime is 140404217. The next prime is 140404237. The reversal of 140404227 is 722404041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722404041 = 3 ⋅240801347.

It is an interprime number because it is at equal distance from previous prime (140404217) and next prime (140404237).

It is a cyclic number.

It is not a de Polignac number, because 140404227 - 2⁸ = 140403971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140404197 and 140404206.

It is not an unprimeable number, because it can be changed into a prime (140404217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23400702 + ... + 23400707.

It is an arithmetic number, because the mean of its divisors is an integer number (46801410).

Almost surely, 2^140404227 is an apocalyptic number.

140404227 is a deficient number, since it is larger than the sum of its proper divisors (46801413).

140404227 is an equidigital number, since it uses as much as digits as its factorization.

140404227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46801412.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 140404227 is about 11849.2289622574. The cubic root of 140404227 is about 519.7486790962.

Adding to 140404227 its reverse (722404041), we get a palindrome (862808268).

The spelling of 140404227 in words is "one hundred forty million, four hundred four thousand, two hundred twenty-seven".