133165425536503 has 8 divisors (see below), whose sum is σ = 133401061713920. Its totient is φ = 132929797827960.

The previous prime is 133165425536489. The next prime is 133165425536557. The reversal of 133165425536503 is 305635524561331.

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 a de Polignac number, because none of the positive numbers 2^k-133165425536503 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 (133165425536593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29783626 + ... + 33961672.

It is an arithmetic number, because the mean of its divisors is an integer number (16675132714240).

Almost surely, 2^{133165425536503} is an apocalyptic number.

133165425536503 is a deficient number, since it is larger than the sum of its proper divisors (235636177417).

133165425536503 is an equidigital number, since it uses as much as digits as its factorization.

133165425536503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234437.

The product of its (nonzero) digits is 14580000, while the sum is 52.

The spelling of 133165425536503 in words is "one hundred thirty-three trillion, one hundred sixty-five billion, four hundred twenty-five million, five hundred thirty-six thousand, five hundred three".