133469 has 8 divisors (see below), whose sum is σ = 159360. Its totient is φ = 109296.

The previous prime is 133451. The next prime is 133481. The reversal of 133469 is 964331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133469 - 2⁸ = 133213 is a prime.

It is a super-2 number, since 2×133469² = 35627947922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10 and base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133439) 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, 254 + ... + 575.

It is an arithmetic number, because the mean of its divisors is an integer number (19920).

2¹³³⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

133469 is a deficient number, since it is larger than the sum of its proper divisors (25891).

133469 is an equidigital number, since it uses as much as digits as its factorization.

133469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859.

The product of its digits is 1944, while the sum is 26.

The square root of 133469 is about 365.3340936732. The cubic root of 133469 is about 51.1046167272.

The spelling of 133469 in words is "one hundred thirty-three thousand, four hundred sixty-nine".