133566409647532 has 48 divisors (see below), whose sum is σ = 242460589916160. Its totient is φ = 64304552999232.

The previous prime is 133566409647401. The next prime is 133566409647563. The reversal of 133566409647532 is 235746904665331.

It is a super-2 number, since 2×133566409647532² (a number of 29 digits) contains 22 as substring.

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, 394662493 + ... + 395000779.

It is an arithmetic number, because the mean of its divisors is an integer number (5051262289920).

Almost surely, 2^{133566409647532} is an apocalyptic number.

It is an amenable number.

133566409647532 is a deficient number, since it is larger than the sum of its proper divisors (108894180268628).

133566409647532 is a wasteful number, since it uses less digits than its factorization.

133566409647532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347590 (or 347588 counting only the distinct ones).

The product of its (nonzero) digits is 293932800, while the sum is 64.

The spelling of 133566409647532 in words is "one hundred thirty-three trillion, five hundred sixty-six billion, four hundred nine million, six hundred forty-seven thousand, five hundred thirty-two".