133550874580 has 48 divisors (see below), whose sum is σ = 284022917136. Its totient is φ = 52743720960.

The previous prime is 133550874577. The next prime is 133550874671. The reversal of 133550874580 is 85478055331.

It can be written as a sum of positive squares in 8 ways, for example, as 10846389316 + 122704485264 = 104146^2 + 350292^2 .

It is a super-2 number, since 2×133550874580² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734982 + ... + 898498.

It is an arithmetic number, because the mean of its divisors is an integer number (5917144107).

Almost surely, 2^133550874580 is an apocalyptic number.

133550874580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133550874580 is an abundant number, since it is smaller than the sum of its proper divisors (150472042556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133550874580 is a wasteful number, since it uses less digits than its factorization.

133550874580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164044 (or 164042 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 133550874580 in words is "one hundred thirty-three billion, five hundred fifty million, eight hundred seventy-four thousand, five hundred eighty".