134142113321 has 4 divisors (see below), whose sum is σ = 134144284500. Its totient is φ = 134139942144.

The previous prime is 134142113317. The next prime is 134142113453. The reversal of 134142113321 is 123311241431.

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 14401200025 + 119740913296 = 120005^2 + 346036^2 .

It is a cyclic number.

It is not a de Polignac number, because 134142113321 - 2² = 134142113317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134142113311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990116 + ... + 1117413.

It is an arithmetic number, because the mean of its divisors is an integer number (33536071125).

Almost surely, 2^134142113321 is an apocalyptic number.

It is an amenable number.

134142113321 is a deficient number, since it is larger than the sum of its proper divisors (2171179).

134142113321 is an equidigital number, since it uses as much as digits as its factorization.

134142113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171178.

The product of its digits is 1728, while the sum is 26.

Adding to 134142113321 its reverse (123311241431), we get a palindrome (257453354752).

The spelling of 134142113321 in words is "one hundred thirty-four billion, one hundred forty-two million, one hundred thirteen thousand, three hundred twenty-one".