141994969 has 2 divisors, whose sum is σ = 141994970. Its totient is φ = 141994968.

The previous prime is 141994913. The next prime is 141994981. The reversal of 141994969 is 969499141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141895744 + 99225 = 11912^2 + 315^2 .

It is a cyclic number.

It is not a de Polignac number, because 141994969 - 2⁷ = 141994841 is a prime.

It is a super-2 number, since 2×141994969² = 40325142442621922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (141994669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70997484 + 70997485.

It is an arithmetic number, because the mean of its divisors is an integer number (70997485).

Almost surely, 2^141994969 is an apocalyptic number.

It is an amenable number.

141994969 is a deficient number, since it is larger than the sum of its proper divisors (1).

141994969 is an equidigital number, since it uses as much as digits as its factorization.

141994969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 52.

The square root of 141994969 is about 11916.1641898725. The cubic root of 141994969 is about 521.7041832292.

The spelling of 141994969 in words is "one hundred forty-one million, nine hundred ninety-four thousand, nine hundred sixty-nine".