133955820803 has 8 divisors (see below), whose sum is σ = 155377327872. Its totient is φ = 113105554056.

The previous prime is 133955820751. The next prime is 133955820827. The reversal of 133955820803 is 308028559331.

It is a happy number.

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 133955820803 - 2⁸ = 133955820547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133955820833) 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, 142809575 + ... + 142810512.

It is an arithmetic number, because the mean of its divisors is an integer number (19422165984).

Almost surely, 2^133955820803 is an apocalyptic number.

133955820803 is a deficient number, since it is larger than the sum of its proper divisors (21421507069).

133955820803 is an equidigital number, since it uses as much as digits as its factorization.

133955820803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285620161.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 133955820803 in words is "one hundred thirty-three billion, nine hundred fifty-five million, eight hundred twenty thousand, eight hundred three".