141481909 has 2 divisors, whose sum is σ = 141481910. Its totient is φ = 141481908.

The previous prime is 141481877. The next prime is 141481943. The reversal of 141481909 is 909184141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138133009 + 3348900 = 11753^2 + 1830^2 .

It is a cyclic number.

It is not a de Polignac number, because 141481909 - 2⁵ = 141481877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141481979) 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 as a sum of consecutive naturals, namely, 70740954 + 70740955.

It is an arithmetic number, because the mean of its divisors is an integer number (70740955).

Almost surely, 2^141481909 is an apocalyptic number.

It is an amenable number.

141481909 is a deficient number, since it is larger than the sum of its proper divisors (1).

141481909 is an equidigital number, since it uses as much as digits as its factorization.

141481909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 141481909 is about 11894.6168076151. The cubic root of 141481909 is about 521.0750797767.

The spelling of 141481909 in words is "one hundred forty-one million, four hundred eighty-one thousand, nine hundred nine".