133075469 has 4 divisors (see below), whose sum is σ = 133099740. Its totient is φ = 133051200.

The previous prime is 133075451. The next prime is 133075499. The reversal of 133075469 is 964570331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 964570331 = 47 ⋅20522773.

It can be written as a sum of positive squares in 2 ways, for example, as 120187369 + 12888100 = 10963^2 + 3590^2 .

It is a cyclic number.

It is not a de Polignac number, because 133075469 - 2⁸ = 133075213 is a prime.

It is a super-2 number, since 2×133075469² = 35418160899139922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133075409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419 + ... + 16319.

It is an arithmetic number, because the mean of its divisors is an integer number (33274935).

Almost surely, 2^133075469 is an apocalyptic number.

It is an amenable number.

133075469 is a deficient number, since it is larger than the sum of its proper divisors (24271).

133075469 is an equidigital number, since it uses as much as digits as its factorization.

133075469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24270.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 133075469 is about 11535.8341267548. The cubic root of 133075469 is about 510.5434026033.

The spelling of 133075469 in words is "one hundred thirty-three million, seventy-five thousand, four hundred sixty-nine".