133286982500 has 180 divisors, whose sum is σ = 344636902764. Its totient is φ = 44946720000.

The previous prime is 133286982401. The next prime is 133286982503. The reversal of 133286982500 is 5289682331.

It can be written as a sum of positive squares in 10 ways, for example, as 113423462656 + 19863519844 = 336784^2 + 140938^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (133286982503) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7463582 + ... + 7481418.

Almost surely, 2^133286982500 is an apocalyptic number.

133286982500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133286982500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172318451382).

133286982500 is an abundant number, since it is smaller than the sum of its proper divisors (211349920264).

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

133286982500 is a wasteful number, since it uses less digits than its factorization.

133286982500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17936 (or 17912 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 133286982500 in words is "one hundred thirty-three billion, two hundred eighty-six million, nine hundred eighty-two thousand, five hundred".