141021899 has 2 divisors, whose sum is σ = 141021900. Its totient is φ = 141021898.

The previous prime is 141021887. The next prime is 141021917. The reversal of 141021899 is 998120141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 141021899 - 2¹² = 141017803 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141021299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70510949 + 70510950.

It is an arithmetic number, because the mean of its divisors is an integer number (70510950).

Almost surely, 2^141021899 is an apocalyptic number.

141021899 is a deficient number, since it is larger than the sum of its proper divisors (1).

141021899 is an equidigital number, since it uses as much as digits as its factorization.

141021899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 141021899 is about 11875.2641654828. The cubic root of 141021899 is about 520.5097306952.

The spelling of 141021899 in words is "one hundred forty-one million, twenty-one thousand, eight hundred ninety-nine".