140520227 has 2 divisors, whose sum is σ = 140520228. Its totient is φ = 140520226.

The previous prime is 140520209. The next prime is 140520251. The reversal of 140520227 is 722025041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140520227 is a prime.

It is a super-2 number, since 2×140520227² = 39491868392263058, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140520277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70260113 + 70260114.

It is an arithmetic number, because the mean of its divisors is an integer number (70260114).

Almost surely, 2^140520227 is an apocalyptic number.

140520227 is a deficient number, since it is larger than the sum of its proper divisors (1).

140520227 is an equidigital number, since it uses as much as digits as its factorization.

140520227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 140520227 is about 11854.1227849217. The cubic root of 140520227 is about 519.8917760477.

Adding to 140520227 its reverse (722025041), we get a palindrome (862545268).

The spelling of 140520227 in words is "one hundred forty million, five hundred twenty thousand, two hundred twenty-seven".