141413221 has 4 divisors (see below), whose sum is σ = 142710700. Its totient is φ = 140115744.

The previous prime is 141413213. The next prime is 141413249. The reversal of 141413221 is 122314141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122314141 = 29 ⋅4217729.

It can be written as a sum of positive squares in 2 ways, for example, as 60233121 + 81180100 = 7761^2 + 9010^2 .

It is a cyclic number.

It is not a de Polignac number, because 141413221 - 2³ = 141413213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141413201) 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, 648576 + ... + 648793.

It is an arithmetic number, because the mean of its divisors is an integer number (35677675).

Almost surely, 2^141413221 is an apocalyptic number.

It is an amenable number.

141413221 is a deficient number, since it is larger than the sum of its proper divisors (1297479).

141413221 is a wasteful number, since it uses less digits than its factorization.

141413221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297478.

The product of its digits is 192, while the sum is 19.

The square root of 141413221 is about 11891.7291005135. The cubic root of 141413221 is about 520.9907406103.

Adding to 141413221 its reverse (122314141), we get a palindrome (263727362).

The spelling of 141413221 in words is "one hundred forty-one million, four hundred thirteen thousand, two hundred twenty-one".