133776641327 has 4 divisors (see below), whose sum is σ = 152887590096. Its totient is φ = 114665692560.

The previous prime is 133776641311. The next prime is 133776641407. The reversal of 133776641327 is 723146677331.

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 133776641327 - 2⁴ = 133776641311 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 (133776644327) 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, 9555474374 + ... + 9555474387.

It is an arithmetic number, because the mean of its divisors is an integer number (38221897524).

Almost surely, 2^133776641327 is an apocalyptic number.

133776641327 is a deficient number, since it is larger than the sum of its proper divisors (19110948769).

133776641327 is an equidigital number, since it uses as much as digits as its factorization.

133776641327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19110948768.

The product of its digits is 2667168, while the sum is 50.

The spelling of 133776641327 in words is "one hundred thirty-three billion, seven hundred seventy-six million, six hundred forty-one thousand, three hundred twenty-seven".