134588893121 has 4 divisors (see below), whose sum is σ = 142505886852. Its totient is φ = 126671899392.

The previous prime is 134588893099. The next prime is 134588893129. The reversal of 134588893121 is 121398885431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121398885431 = 293 ⋅414330667.

It can be written as a sum of positive squares in 2 ways, for example, as 69543491521 + 65045401600 = 263711^2 + 255040^2 .

It is a cyclic number.

It is not a de Polignac number, because 134588893121 - 2¹⁸ = 134588630977 is a prime.

It is a super-2 number, since 2×134588893121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134588893129) 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, 3958496840 + ... + 3958496873.

It is an arithmetic number, because the mean of its divisors is an integer number (35626471713).

Almost surely, 2^134588893121 is an apocalyptic number.

It is an amenable number.

134588893121 is a deficient number, since it is larger than the sum of its proper divisors (7916993731).

134588893121 is an equidigital number, since it uses as much as digits as its factorization.

134588893121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7916993730.

The product of its digits is 1658880, while the sum is 53.

The spelling of 134588893121 in words is "one hundred thirty-four billion, five hundred eighty-eight million, eight hundred ninety-three thousand, one hundred twenty-one".