133469375 has 20 divisors (see below), whose sum is σ = 179623752. Its totient is φ = 98556000.

The previous prime is 133469351. The next prime is 133469393. The reversal of 133469375 is 573964331.

It is not a de Polignac number, because 133469375 - 2¹⁰ = 133468351 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 19 ways as a sum of consecutive naturals, for example, 89 + ... + 16338.

Almost surely, 2^133469375 is an apocalyptic number.

133469375 is a deficient number, since it is larger than the sum of its proper divisors (46154377).

133469375 is an equidigital number, since it uses as much as digits as its factorization.

133469375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16460 (or 16445 counting only the distinct ones).

The product of its digits is 204120, while the sum is 41.

The square root of 133469375 is about 11552.8946589156. The cubic root of 133469375 is about 511.0466458900.

The spelling of 133469375 in words is "one hundred thirty-three million, four hundred sixty-nine thousand, three hundred seventy-five".