133373375 has 8 divisors (see below), whose sum is σ = 166450128. Its totient is φ = 106698600.

The previous prime is 133373363. The next prime is 133373399. The reversal of 133373375 is 573373331.

It is not a de Polignac number, because 133373375 - 2¹² = 133369279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533369 + ... + 533618.

It is an arithmetic number, because the mean of its divisors is an integer number (20806266).

Almost surely, 2^133373375 is an apocalyptic number.

133373375 is a deficient number, since it is larger than the sum of its proper divisors (33076753).

133373375 is an equidigital number, since it uses as much as digits as its factorization.

133373375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067002 (or 1066992 counting only the distinct ones).

The product of its digits is 59535, while the sum is 35.

The square root of 133373375 is about 11548.7391086646. The cubic root of 133373375 is about 510.9240903219.

The spelling of 133373375 in words is "one hundred thirty-three million, three hundred seventy-three thousand, three hundred seventy-five".