141519421 has 2 divisors, whose sum is σ = 141519422. Its totient is φ = 141519420.

The previous prime is 141519383. The next prime is 141519503. The reversal of 141519421 is 124915141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140896900 + 622521 = 11870^2 + 789^2 .

It is a cyclic number.

It is not a de Polignac number, because 141519421 - 2¹¹ = 141517373 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141519421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141519121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70759710 + 70759711.

It is an arithmetic number, because the mean of its divisors is an integer number (70759711).

Almost surely, 2^141519421 is an apocalyptic number.

It is an amenable number.

141519421 is a deficient number, since it is larger than the sum of its proper divisors (1).

141519421 is an equidigital number, since it uses as much as digits as its factorization.

141519421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 28.

The square root of 141519421 is about 11896.1935508800. The cubic root of 141519421 is about 521.1211276926.

The spelling of 141519421 in words is "one hundred forty-one million, five hundred nineteen thousand, four hundred twenty-one".