133345557889 has 8 divisors (see below), whose sum is σ = 137563623680. Its totient is φ = 129159814896.

The previous prime is 133345557847. The next prime is 133345557893. The reversal of 133345557889 is 988755543331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133345557889 - 2⁹ = 133345557377 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (133345857889) 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 7 ways as a sum of consecutive naturals, for example, 8072319 + ... + 8088820.

It is an arithmetic number, because the mean of its divisors is an integer number (17195452960).

Almost surely, 2^133345557889 is an apocalyptic number.

It is an amenable number.

133345557889 is a deficient number, since it is larger than the sum of its proper divisors (4218065791).

133345557889 is a wasteful number, since it uses less digits than its factorization.

133345557889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16161399.

The product of its digits is 54432000, while the sum is 61.

The spelling of 133345557889 in words is "one hundred thirty-three billion, three hundred forty-five million, five hundred fifty-seven thousand, eight hundred eighty-nine".