133316375 has 8 divisors (see below), whose sum is σ = 166378992. Its totient is φ = 106653000.

The previous prime is 133316353. The next prime is 133316377. The reversal of 133316375 is 573613331.

It is not a de Polignac number, because 133316375 - 2⁶ = 133316311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133316377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533141 + ... + 533390.

It is an arithmetic number, because the mean of its divisors is an integer number (20797374).

Almost surely, 2^133316375 is an apocalyptic number.

133316375 is a deficient number, since it is larger than the sum of its proper divisors (33062617).

133316375 is an equidigital number, since it uses as much as digits as its factorization.

133316375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066546 (or 1066536 counting only the distinct ones).

The product of its digits is 17010, while the sum is 32.

The square root of 133316375 is about 11546.2710430684. The cubic root of 133316375 is about 510.8512951261.

The spelling of 133316375 in words is "one hundred thirty-three million, three hundred sixteen thousand, three hundred seventy-five".