133484869 has 6 divisors (see below), whose sum is σ = 155278374. Its totient is φ = 114415560.

The previous prime is 133484849. The next prime is 133484881. The reversal of 133484869 is 968484331.

It can be written as a sum of positive squares in only one way, i.e., 133402500 + 82369 = 11550^2 + 287^2 .

It is not a de Polignac number, because 133484869 - 2²³ = 125096261 is a prime.

It is a super-2 number, since 2×133484869² = 35636420503894322, 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 (133484809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1362042 + ... + 1362139.

It is an arithmetic number, because the mean of its divisors is an integer number (25879729).

Almost surely, 2^133484869 is an apocalyptic number.

It is an amenable number.

133484869 is a deficient number, since it is larger than the sum of its proper divisors (21793505).

133484869 is an equidigital number, since it uses as much as digits as its factorization.

133484869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724195 (or 2724188 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 133484869 is about 11553.5652073289. The cubic root of 133484869 is about 511.0664203398.

The spelling of 133484869 in words is "one hundred thirty-three million, four hundred eighty-four thousand, eight hundred sixty-nine".