133665305346 has 24 divisors (see below), whose sum is σ = 289799887104. Its totient is φ = 44525605560.

The previous prime is 133665305341. The next prime is 133665305363. The reversal of 133665305346 is 643503566331.

133665305346 is a `hidden beast` number, since 1 + 3 + 3 + 66 + 53 + 0 + 534 + 6 = 666.

It is a hoax number, since the sum of its digits (45) 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 (133665305341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2430066 + ... + 2484461.

It is an arithmetic number, because the mean of its divisors is an integer number (12074995296).

Almost surely, 2^133665305346 is an apocalyptic number.

133665305346 is an abundant number, since it is smaller than the sum of its proper divisors (156134581758).

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

133665305346 is a wasteful number, since it uses less digits than its factorization.

133665305346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916046 (or 4916043 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 45.

The spelling of 133665305346 in words is "one hundred thirty-three billion, six hundred sixty-five million, three hundred five thousand, three hundred forty-six".