133751927329 has 4 divisors (see below), whose sum is σ = 133755817984. Its totient is φ = 133748036676.

The previous prime is 133751927317. The next prime is 133751927333. The reversal of 133751927329 is 923729157331.

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.

It is a cyclic number.

It is not a de Polignac number, because 133751927329 - 2⁵ = 133751927297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133751927339) 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, 1893297 + ... + 1962670.

It is an arithmetic number, because the mean of its divisors is an integer number (33438954496).

Almost surely, 2^133751927329 is an apocalyptic number.

It is an amenable number.

133751927329 is a deficient number, since it is larger than the sum of its proper divisors (3890655).

133751927329 is an equidigital number, since it uses as much as digits as its factorization.

133751927329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890654.

The product of its digits is 2143260, while the sum is 52.

The spelling of 133751927329 in words is "one hundred thirty-three billion, seven hundred fifty-one million, nine hundred twenty-seven thousand, three hundred twenty-nine".