133716819 has 16 divisors (see below), whose sum is σ = 182123264. Its totient is φ = 87242400.

The previous prime is 133716773. The next prime is 133716859. The reversal of 133716819 is 918617331.

It is not a de Polignac number, because 133716819 - 2⁸ = 133716563 is a prime.

It is a super-2 number, since 2×133716819² = 35760375366957522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133716859) 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, 36882 + ... + 40344.

It is an arithmetic number, because the mean of its divisors is an integer number (11382704).

Almost surely, 2^133716819 is an apocalyptic number.

133716819 is a deficient number, since it is larger than the sum of its proper divisors (48406445).

133716819 is a wasteful number, since it uses less digits than its factorization.

133716819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738.

The product of its digits is 27216, while the sum is 39.

The square root of 133716819 is about 11563.5988775121. The cubic root of 133716819 is about 511.3622672570.

The spelling of 133716819 in words is "one hundred thirty-three million, seven hundred sixteen thousand, eight hundred nineteen".