134433469 has 4 divisors (see below), whose sum is σ = 138066844. Its totient is φ = 130800096.

The previous prime is 134433463. The next prime is 134433479. The reversal of 134433469 is 964334431.

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: 964334431 = 373 ⋅2585347.

It can be written as a sum of positive squares in 2 ways, for example, as 67815225 + 66618244 = 8235^2 + 8162^2 .

It is a cyclic number.

It is not a de Polignac number, because 134433469 - 2³ = 134433461 is a prime.

It is a super-2 number, since 2×134433469² = 36144715174747922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 3633337 = 134433469 / (1 + 3 + 4 + 4 + 3 + 3 + 4 + 6 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134433461) 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, 1816632 + ... + 1816705.

It is an arithmetic number, because the mean of its divisors is an integer number (34516711).

Almost surely, 2^134433469 is an apocalyptic number.

It is an amenable number.

134433469 is a deficient number, since it is larger than the sum of its proper divisors (3633375).

134433469 is an equidigital number, since it uses as much as digits as its factorization.

134433469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633374.

The product of its digits is 93312, while the sum is 37.

The square root of 134433469 is about 11594.5447948593. The cubic root of 134433469 is about 512.2741820137.

The spelling of 134433469 in words is "one hundred thirty-four million, four hundred thirty-three thousand, four hundred sixty-nine".