133340867 has 16 divisors (see below), whose sum is σ = 152934912. Its totient is φ = 115072320.

The previous prime is 133340863. The next prime is 133340881. The reversal of 133340867 is 768043331.

It is a happy number.

It is not a de Polignac number, because 133340867 - 2² = 133340863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133340863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32738 + ... + 36584.

It is an arithmetic number, because the mean of its divisors is an integer number (9558432).

Almost surely, 2^133340867 is an apocalyptic number.

133340867 is a deficient number, since it is larger than the sum of its proper divisors (19594045).

133340867 is a wasteful number, since it uses less digits than its factorization.

133340867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 133340867 is about 11547.3315965205. The cubic root of 133340867 is about 510.8825766142.

The spelling of 133340867 in words is "one hundred thirty-three million, three hundred forty thousand, eight hundred sixty-seven".