133440705 has 24 divisors (see below), whose sum is σ = 243472320. Its totient is φ = 67422240.

The previous prime is 133440689. The next prime is 133440719. The reversal of 133440705 is 507044331.

It is not a de Polignac number, because 133440705 - 2⁴ = 133440689 is a prime.

It is a Curzon 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 23 ways as a sum of consecutive naturals, for example, 77181 + ... + 78890.

It is an arithmetic number, because the mean of its divisors is an integer number (10144680).

Almost surely, 2^133440705 is an apocalyptic number.

133440705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133440705 is a deficient number, since it is larger than the sum of its proper divisors (110031615).

133440705 is a wasteful number, since it uses less digits than its factorization.

133440705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156101 (or 156098 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 133440705 is about 11551.6537777065. The cubic root of 133440705 is about 511.0100513365.

The spelling of 133440705 in words is "one hundred thirty-three million, four hundred forty thousand, seven hundred five".