134956469 has 4 divisors (see below), whose sum is σ = 135048000. Its totient is φ = 134864940.

The previous prime is 134956457. The next prime is 134956477. The reversal of 134956469 is 964659431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 964659431 = 19 ⋅50771549.

It is a cyclic number.

It is not a de Polignac number, because 134956469 - 2⁴ = 134956453 is a prime.

It is a super-2 number, since 2×134956469² = 36426497049895922, 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 (134956669) 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, 43517 + ... + 46514.

It is an arithmetic number, because the mean of its divisors is an integer number (33762000).

Almost surely, 2^134956469 is an apocalyptic number.

It is an amenable number.

134956469 is a deficient number, since it is larger than the sum of its proper divisors (91531).

134956469 is an equidigital number, since it uses as much as digits as its factorization.

134956469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91530.

The product of its digits is 699840, while the sum is 47.

The square root of 134956469 is about 11617.0766116093. The cubic root of 134956469 is about 512.9376395844.

The spelling of 134956469 in words is "one hundred thirty-four million, nine hundred fifty-six thousand, four hundred sixty-nine".