134247469 has 8 divisors (see below), whose sum is σ = 135116352. Its totient is φ = 133381920.

The previous prime is 134247461. The next prime is 134247493. The reversal of 134247469 is 964742431.

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

It is a cyclic number.

It is not a de Polignac number, because 134247469 - 2³ = 134247461 is a prime.

It is a super-2 number, since 2×134247469² = 36044765865811922, 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 (134247461) 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, 180312 + ... + 181054.

It is an arithmetic number, because the mean of its divisors is an integer number (16889544).

Almost surely, 2^134247469 is an apocalyptic number.

It is an amenable number.

134247469 is a deficient number, since it is larger than the sum of its proper divisors (868883).

134247469 is an equidigital number, since it uses as much as digits as its factorization.

134247469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667.

The product of its digits is 145152, while the sum is 40.

The square root of 134247469 is about 11586.5210050299. The cubic root of 134247469 is about 512.0378148442.

The spelling of 134247469 in words is "one hundred thirty-four million, two hundred forty-seven thousand, four hundred sixty-nine".