133573187473 has 8 divisors (see below), whose sum is σ = 145777227840. Its totient is φ = 121379317680.

The previous prime is 133573187467. The next prime is 133573187519. The reversal of 133573187473 is 374781375331.

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 133573187473 - 2⁵ = 133573187441 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 133573187473.

It is not an unprimeable number, because it can be changed into a prime (133573187873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2515165 + ... + 2567722.

It is an arithmetic number, because the mean of its divisors is an integer number (18222153480).

Almost surely, 2^133573187473 is an apocalyptic number.

It is an amenable number.

133573187473 is a deficient number, since it is larger than the sum of its proper divisors (12204040367).

133573187473 is a wasteful number, since it uses less digits than its factorization.

133573187473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085287.

The product of its digits is 4445280, while the sum is 52.

The spelling of 133573187473 in words is "one hundred thirty-three billion, five hundred seventy-three million, one hundred eighty-seven thousand, four hundred seventy-three".