134441641 has 2 divisors, whose sum is σ = 134441642. Its totient is φ = 134441640.

The previous prime is 134441639. The next prime is 134441689. The reversal of 134441641 is 146144431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73273600 + 61168041 = 8560^2 + 7821^2 .

It is a cyclic number.

It is not a de Polignac number, because 134441641 - 2¹ = 134441639 is a prime.

Together with 134441639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (134441341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67220820 + 67220821.

It is an arithmetic number, because the mean of its divisors is an integer number (67220821).

Almost surely, 2^134441641 is an apocalyptic number.

It is an amenable number.

134441641 is a deficient number, since it is larger than the sum of its proper divisors (1).

134441641 is an equidigital number, since it uses as much as digits as its factorization.

134441641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 134441641 is about 11594.8971966120. The cubic root of 134441641 is about 512.2845619184.

The spelling of 134441641 in words is "one hundred thirty-four million, four hundred forty-one thousand, six hundred forty-one".