133681452073 has 8 divisors (see below), whose sum is σ = 143970277248. Its totient is φ = 123393432144.

The previous prime is 133681452067. The next prime is 133681452077. The reversal of 133681452073 is 370254186331.

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 133681452073 - 2¹⁷ = 133681321001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133681452077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168690 + ... + 543892.

It is an arithmetic number, because the mean of its divisors is an integer number (17996284656).

Almost surely, 2^133681452073 is an apocalyptic number.

133681452073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133681452073 is a deficient number, since it is larger than the sum of its proper divisors (10288825175).

133681452073 is a wasteful number, since it uses less digits than its factorization.

133681452073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402623.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 133681452073 in words is "one hundred thirty-three billion, six hundred eighty-one million, four hundred fifty-two thousand, seventy-three".