134221612663 has 4 divisors (see below), whose sum is σ = 134227800720. Its totient is φ = 134215424608.

The previous prime is 134221612607. The next prime is 134221612669. The reversal of 134221612663 is 366216122431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134221612663 - 2³³ = 125631678071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134221612669) 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, 3061378 + ... + 3104911.

It is an arithmetic number, because the mean of its divisors is an integer number (33556950180).

Almost surely, 2^134221612663 is an apocalyptic number.

134221612663 is a deficient number, since it is larger than the sum of its proper divisors (6188057).

134221612663 is an equidigital number, since it uses as much as digits as its factorization.

134221612663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6188056.

The product of its digits is 62208, while the sum is 37.

The spelling of 134221612663 in words is "one hundred thirty-four billion, two hundred twenty-one million, six hundred twelve thousand, six hundred sixty-three".