133346805 has 16 divisors (see below), whose sum is σ = 214790400. Its totient is φ = 70639808.

The previous prime is 133346791. The next prime is 133346819. The reversal of 133346805 is 508643331.

It is an interprime number because it is at equal distance from previous prime (133346791) and next prime (133346819).

It is a cyclic number.

It is not a de Polignac number, because 133346805 - 2⁴ = 133346789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27597 + ... + 32066.

It is an arithmetic number, because the mean of its divisors is an integer number (13424400).

Almost surely, 2^133346805 is an apocalyptic number.

133346805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133346805 is a deficient number, since it is larger than the sum of its proper divisors (81443595).

133346805 is a wasteful number, since it uses less digits than its factorization.

133346805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59820.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 133346805 is about 11547.5887093367. The cubic root of 133346805 is about 510.8901601250.

The spelling of 133346805 in words is "one hundred thirty-three million, three hundred forty-six thousand, eight hundred five".