134221203199 has 4 divisors (see below), whose sum is σ = 134238703536. Its totient is φ = 134203702864.

The previous prime is 134221203197. The next prime is 134221203211. The reversal of 134221203199 is 991302122431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991302122431 = 114809 ⋅8634359.

It is a cyclic number.

It is not a de Polignac number, because 134221203199 - 2¹ = 134221203197 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 (134221203197) 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, 8738659 + ... + 8754004.

It is an arithmetic number, because the mean of its divisors is an integer number (33559675884).

Almost surely, 2^134221203199 is an apocalyptic number.

134221203199 is a deficient number, since it is larger than the sum of its proper divisors (17500337).

134221203199 is an equidigital number, since it uses as much as digits as its factorization.

134221203199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17500336.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 134221203199 in words is "one hundred thirty-four billion, two hundred twenty-one million, two hundred three thousand, one hundred ninety-nine".