133046406 has 24 divisors (see below), whose sum is σ = 289097640. Its totient is φ = 44221056.

The previous prime is 133046399. The next prime is 133046411. The reversal of 133046406 is 604640331.

133046406 is a `hidden beast` number, since 13 + 3 + 0 + 4 + 640 + 6 = 666.

It is a super-2 number, since 2×133046406² = 35402692299033672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133046406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4116 + ... + 16823.

It is an arithmetic number, because the mean of its divisors is an integer number (12045735).

Almost surely, 2^133046406 is an apocalyptic number.

133046406 is an abundant number, since it is smaller than the sum of its proper divisors (156051234).

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

133046406 is a wasteful number, since it uses less digits than its factorization.

133046406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21300 (or 21297 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 133046406 is about 11534.5743744622. The cubic root of 133046406 is about 510.5062332103.

Adding to 133046406 its reverse (604640331), we get a palindrome (737686737).

The spelling of 133046406 in words is "one hundred thirty-three million, forty-six thousand, four hundred six".