133127650189 has 4 divisors (see below), whose sum is σ = 140134368640. Its totient is φ = 126120931740.

The previous prime is 133127650157. The next prime is 133127650207. The reversal of 133127650189 is 981056721331.

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 133127650189 - 2⁵ = 133127650157 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 (133127650129) 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, 3503359197 + ... + 3503359234.

It is an arithmetic number, because the mean of its divisors is an integer number (35033592160).

Almost surely, 2^133127650189 is an apocalyptic number.

133127650189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

133127650189 is a deficient number, since it is larger than the sum of its proper divisors (7006718451).

133127650189 is an equidigital number, since it uses as much as digits as its factorization.

133127650189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7006718450.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 133127650189 in words is "one hundred thirty-three billion, one hundred twenty-seven million, six hundred fifty thousand, one hundred eighty-nine".