133550874579 has 4 divisors (see below), whose sum is σ = 178067832776. Its totient is φ = 89033916384.

The previous prime is 133550874577. The next prime is 133550874671. The reversal of 133550874579 is 975478055331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 133550874579 - 2¹ = 133550874577 is a prime.

It is a super-2 number, since 2×133550874579² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133550874577) 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 3 ways as a sum of consecutive naturals, for example, 22258479094 + ... + 22258479099.

It is an arithmetic number, because the mean of its divisors is an integer number (44516958194).

Almost surely, 2^133550874579 is an apocalyptic number.

133550874579 is a deficient number, since it is larger than the sum of its proper divisors (44516958197).

133550874579 is an equidigital number, since it uses as much as digits as its factorization.

133550874579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44516958196.

The product of its (nonzero) digits is 15876000, while the sum is 57.

The spelling of 133550874579 in words is "one hundred thirty-three billion, five hundred fifty million, eight hundred seventy-four thousand, five hundred seventy-nine".