134040121 has 4 divisors (see below), whose sum is σ = 141924852. Its totient is φ = 126155392.

The previous prime is 134040107. The next prime is 134040143. The reversal of 134040121 is 121040431.

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 119683600 + 14356521 = 10940^2 + 3789^2 .

It is a cyclic number.

It is not a de Polignac number, because 134040121 - 2⁵ = 134040089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134040095 and 134040104.

It is not an unprimeable number, because it can be changed into a prime (134040721) 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 in 3 ways as a sum of consecutive naturals, for example, 3942340 + ... + 3942373.

It is an arithmetic number, because the mean of its divisors is an integer number (35481213).

Almost surely, 2^134040121 is an apocalyptic number.

It is an amenable number.

134040121 is a deficient number, since it is larger than the sum of its proper divisors (7884731).

134040121 is an equidigital number, since it uses as much as digits as its factorization.

134040121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7884730.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 134040121 is about 11577.5697363480. The cubic root of 134040121 is about 511.7740613319.

Adding to 134040121 its reverse (121040431), we get a palindrome (255080552).

The spelling of 134040121 in words is "one hundred thirty-four million, forty thousand, one hundred twenty-one".