141213421 has 4 divisors (see below), whose sum is σ = 143321152. Its totient is φ = 139105692.

The previous prime is 141213361. The next prime is 141213431. The reversal of 141213421 is 124312141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 141213421 - 2⁹ = 141212909 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 (141213431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053765 + ... + 1053898.

It is an arithmetic number, because the mean of its divisors is an integer number (35830288).

Almost surely, 2^141213421 is an apocalyptic number.

It is an amenable number.

141213421 is a deficient number, since it is larger than the sum of its proper divisors (2107731).

141213421 is an equidigital number, since it uses as much as digits as its factorization.

141213421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107730.

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

The square root of 141213421 is about 11883.3253342657. The cubic root of 141213421 is about 520.7452590543.

Adding to 141213421 its reverse (124312141), we get a palindrome (265525562).

The spelling of 141213421 in words is "one hundred forty-one million, two hundred thirteen thousand, four hundred twenty-one".