133387109284 has 81 divisors (see below), whose sum is σ = 278049928611. Its totient is φ = 55922792640.

The previous prime is 133387109263. The next prime is 133387109309. The reversal of 133387109284 is 482901783331.

The square root of 133387109284 is 365222.

It is a perfect power (a square), and thus also a powerful number.

133387109284 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6992638884 + 126394470400 = 83622^2 + 355520^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 104452854 + ... + 104454130.

Almost surely, 2^133387109284 is an apocalyptic number.

133387109284 is the 365222-nd square number.

It is an amenable number.

133387109284 is an abundant number, since it is smaller than the sum of its proper divisors (144662819327).

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

133387109284 is a wasteful number, since it uses less digits than its factorization.

133387109284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606 (or 1303 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

Multiplying 133387109284 by its sum of digits (49), we get a square (6535968354916 = 2556554²).

The spelling of 133387109284 in words is "one hundred thirty-three billion, three hundred eighty-seven million, one hundred nine thousand, two hundred eighty-four".