133416375 has 16 divisors (see below), whose sum is σ = 222005472. Its totient is φ = 71155200.

The previous prime is 133416359. The next prime is 133416377. The reversal of 133416375 is 573614331.

It is not a de Polignac number, because 133416375 - 2⁴ = 133416359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133416377) by changing a digit.

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, 177514 + ... + 178263.

It is an arithmetic number, because the mean of its divisors is an integer number (13875342).

Almost surely, 2^133416375 is an apocalyptic number.

133416375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133416375 is a deficient number, since it is larger than the sum of its proper divisors (88589097).

133416375 is an equidigital number, since it uses as much as digits as its factorization.

133416375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355795 (or 355785 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 133416375 is about 11550.6006337333. The cubic root of 133416375 is about 510.9789922724.

The spelling of 133416375 in words is "one hundred thirty-three million, four hundred sixteen thousand, three hundred seventy-five".