141434021 has 2 divisors, whose sum is σ = 141434022. Its totient is φ = 141434020.

The previous prime is 141434003. The next prime is 141434063. The reversal of 141434021 is 120434141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77193796 + 64240225 = 8786^2 + 8015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141434021 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 141433984 and 141434002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141434621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70717010 + 70717011.

It is an arithmetic number, because the mean of its divisors is an integer number (70717011).

Almost surely, 2^141434021 is an apocalyptic number.

It is an amenable number.

141434021 is a deficient number, since it is larger than the sum of its proper divisors (1).

141434021 is an equidigital number, since it uses as much as digits as its factorization.

141434021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 141434021 is about 11892.6036257835. The cubic root of 141434021 is about 521.0162829560.

Adding to 141434021 its reverse (120434141), we get a palindrome (261868162).

The spelling of 141434021 in words is "one hundred forty-one million, four hundred thirty-four thousand, twenty-one".