134340121 has 4 divisors (see below), whose sum is σ = 134372992. Its totient is φ = 134307252.

The previous prime is 134340083. The next prime is 134340133. The reversal of 134340121 is 121043431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134340121 - 2⁹ = 134339609 is a prime.

It is a super-2 number, since 2×134340121² = 36094536220589282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134340181) 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 in 3 ways as a sum of consecutive naturals, for example, 9261 + ... + 18826.

It is an arithmetic number, because the mean of its divisors is an integer number (33593248).

Almost surely, 2^134340121 is an apocalyptic number.

It is an amenable number.

134340121 is a deficient number, since it is larger than the sum of its proper divisors (32871).

134340121 is an equidigital number, since it uses as much as digits as its factorization.

134340121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32870.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 134340121 is about 11590.5185820135. The cubic root of 134340121 is about 512.1555834649.

Adding to 134340121 its reverse (121043431), we get a palindrome (255383552).

The spelling of 134340121 in words is "one hundred thirty-four million, three hundred forty thousand, one hundred twenty-one".