134142041321 has 4 divisors (see below), whose sum is σ = 142032749652. Its totient is φ = 126251332992.

The previous prime is 134142041309. The next prime is 134142041329. The reversal of 134142041321 is 123140241431.

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 72854107225 + 61287934096 = 269915^2 + 247564^2 .

It is a cyclic number.

It is not a de Polignac number, because 134142041321 - 2³⁴ = 116962172137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134142041329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3945354140 + ... + 3945354173.

It is an arithmetic number, because the mean of its divisors is an integer number (35508187413).

Almost surely, 2^134142041321 is an apocalyptic number.

It is an amenable number.

134142041321 is a deficient number, since it is larger than the sum of its proper divisors (7890708331).

134142041321 is an equidigital number, since it uses as much as digits as its factorization.

134142041321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7890708330.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 134142041321 its reverse (123140241431), we get a palindrome (257282282752).

The spelling of 134142041321 in words is "one hundred thirty-four billion, one hundred forty-two million, forty-one thousand, three hundred twenty-one".