134647469 has 6 divisors (see below), whose sum is σ = 148001070. Its totient is φ = 122406680.

The previous prime is 134647459. The next prime is 134647481. The reversal of 134647469 is 964746431.

It can be written as a sum of positive squares in only one way, i.e., 99102025 + 35545444 = 9955^2 + 5962^2 .

It is a de Polignac number, because none of the positive numbers 2^k-134647469 is a prime.

It is a super-2 number, since 2×134647469² = 36259881816211922, 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 (134647459) 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, 556274 + ... + 556515.

It is an arithmetic number, because the mean of its divisors is an integer number (24666845).

Almost surely, 2^134647469 is an apocalyptic number.

It is an amenable number.

134647469 is a deficient number, since it is larger than the sum of its proper divisors (13353601).

134647469 is a wasteful number, since it uses less digits than its factorization.

134647469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112811 (or 1112800 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 134647469 is about 11603.7696030213. The cubic root of 134647469 is about 512.5458617694.

The spelling of 134647469 in words is "one hundred thirty-four million, six hundred forty-seven thousand, four hundred sixty-nine".