133642223927 has 2 divisors, whose sum is σ = 133642223928. Its totient is φ = 133642223926.

The previous prime is 133642223909. The next prime is 133642223993. The reversal of 133642223927 is 729322246331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133642223927 - 2²⁰ = 133641175351 is a prime.

It is a super-2 number, since 2×133642223927² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133642223527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66821111963 + 66821111964.

It is an arithmetic number, because the mean of its divisors is an integer number (66821111964).

Almost surely, 2^133642223927 is an apocalyptic number.

133642223927 is a deficient number, since it is larger than the sum of its proper divisors (1).

133642223927 is an equidigital number, since it uses as much as digits as its factorization.

133642223927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 44.

The spelling of 133642223927 in words is "one hundred thirty-three billion, six hundred forty-two million, two hundred twenty-three thousand, nine hundred twenty-seven".