133255236577 has 8 divisors (see below), whose sum is σ = 133641144000. Its totient is φ = 132869411664.

The previous prime is 133255236571. The next prime is 133255236581. The reversal of 133255236577 is 775632552331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133255236577 - 2²³ = 133246847969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133255236577.

It is not an unprimeable number, because it can be changed into a prime (133255236571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4867674 + ... + 4894972.

It is an arithmetic number, because the mean of its divisors is an integer number (16705143000).

Almost surely, 2^133255236577 is an apocalyptic number.

It is an amenable number.

133255236577 is a deficient number, since it is larger than the sum of its proper divisors (385907423).

133255236577 is a wasteful number, since it uses less digits than its factorization.

133255236577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41255.

The product of its digits is 3969000, while the sum is 49.

The spelling of 133255236577 in words is "one hundred thirty-three billion, two hundred fifty-five million, two hundred thirty-six thousand, five hundred seventy-seven".