141141421 has 4 divisors (see below), whose sum is σ = 144956092. Its totient is φ = 137326752.

The previous prime is 141141391. The next prime is 141141433. The reversal of 141141421 is 124141141.

141141421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113955625 + 27185796 = 10675^2 + 5214^2 .

It is a cyclic number.

It is not a de Polignac number, because 141141421 - 2⁵ = 141141389 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 (141148421) 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, 1907280 + ... + 1907353.

It is an arithmetic number, because the mean of its divisors is an integer number (36239023).

Almost surely, 2^141141421 is an apocalyptic number.

It is an amenable number.

141141421 is a deficient number, since it is larger than the sum of its proper divisors (3814671).

141141421 is an equidigital number, since it uses as much as digits as its factorization.

141141421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814670.

The product of its digits is 128, while the sum is 19.

The square root of 141141421 is about 11880.2954929581. The cubic root of 141141421 is about 520.6567404785.

Adding to 141141421 its reverse (124141141), we get a palindrome (265282562).

The spelling of 141141421 in words is "one hundred forty-one million, one hundred forty-one thousand, four hundred twenty-one".