134131302321121 has 4 divisors (see below), whose sum is σ = 153292916938432. Its totient is φ = 114969687703812.

The previous prime is 134131302321103. The next prime is 134131302321157. The reversal of 134131302321121 is 121123203131431.

It is a happy number.

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 134131302321121 - 2¹³ = 134131302312929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134131302321121.

It is not an unprimeable number, because it can be changed into a prime (134131302321101) 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, 9580807308645 + ... + 9580807308658.

It is an arithmetic number, because the mean of its divisors is an integer number (38323229234608).

Almost surely, 2^{134131302321121} is an apocalyptic number.

It is an amenable number.

134131302321121 is a deficient number, since it is larger than the sum of its proper divisors (19161614617311).

134131302321121 is an equidigital number, since it uses as much as digits as its factorization.

134131302321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19161614617310.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 134131302321121 its reverse (121123203131431), we get a palindrome (255254505452552).

The spelling of 134131302321121 in words is "one hundred thirty-four trillion, one hundred thirty-one billion, three hundred two million, three hundred twenty-one thousand, one hundred twenty-one".