134240220001 has 4 divisors (see below), whose sum is σ = 134797233604. Its totient is φ = 133683206400.

The previous prime is 134240219963. The next prime is 134240220019. The reversal of 134240220001 is 100022042431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 124662661776 + 9577558225 = 353076^2 + 97865^2 .

It is a cyclic number.

It is not a de Polignac number, because 134240220001 - 2⁷ = 134240219873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134240220071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278506440 + ... + 278506921.

It is an arithmetic number, because the mean of its divisors is an integer number (33699308401).

Almost surely, 2^134240220001 is an apocalyptic number.

It is an amenable number.

134240220001 is a deficient number, since it is larger than the sum of its proper divisors (557013603).

134240220001 is an equidigital number, since it uses as much as digits as its factorization.

134240220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557013602.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 134240220001 its reverse (100022042431), we get a palindrome (234262262432).

The spelling of 134240220001 in words is "one hundred thirty-four billion, two hundred forty million, two hundred twenty thousand, one".