134143121 has 8 divisors (see below), whose sum is σ = 155407104. Its totient is φ = 113404320.

The previous prime is 134143081. The next prime is 134143127. The reversal of 134143121 is 121341431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134143121 - 2⁶ = 134143057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134143093 and 134143102.

It is not an unprimeable number, because it can be changed into a prime (134143127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130745 + ... + 131766.

It is an arithmetic number, because the mean of its divisors is an integer number (19425888).

Almost surely, 2^134143121 is an apocalyptic number.

It is an amenable number.

134143121 is a deficient number, since it is larger than the sum of its proper divisors (21263983).

134143121 is an equidigital number, since it uses as much as digits as its factorization.

134143121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262591.

The product of its digits is 288, while the sum is 20.

The square root of 134143121 is about 11582.0171386508. The cubic root of 134143121 is about 511.9051147104.

Adding to 134143121 its reverse (121341431), we get a palindrome (255484552).

The spelling of 134143121 in words is "one hundred thirty-four million, one hundred forty-three thousand, one hundred twenty-one".