133966670753 has 4 divisors (see below), whose sum is σ = 137082174768. Its totient is φ = 130851166740.

The previous prime is 133966670743. The next prime is 133966670813. The reversal of 133966670753 is 357076669331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 357076669331 = 349 ⋅1023142319.

It is a cyclic number.

It is not a de Polignac number, because 133966670753 - 2⁴ = 133966670737 is a prime.

It is a super-3 number, since 3×133966670753³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133966670713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1557751943 + ... + 1557752028.

It is an arithmetic number, because the mean of its divisors is an integer number (34270543692).

Almost surely, 2^133966670753 is an apocalyptic number.

It is an amenable number.

133966670753 is a deficient number, since it is larger than the sum of its proper divisors (3115504015).

133966670753 is an equidigital number, since it uses as much as digits as its factorization.

133966670753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115504014.

The product of its (nonzero) digits is 12859560, while the sum is 56.

The spelling of 133966670753 in words is "one hundred thirty-three billion, nine hundred sixty-six million, six hundred seventy thousand, seven hundred fifty-three".