134553469 has 2 divisors, whose sum is σ = 134553470. Its totient is φ = 134553468.

The previous prime is 134553443. The next prime is 134553481. The reversal of 134553469 is 964355431.

134553469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133125444 + 1428025 = 11538^2 + 1195^2 .

It is a cyclic number.

It is not a de Polignac number, because 134553469 - 2⁵ = 134553437 is a prime.

It is a super-2 number, since 2×134553469² = 36209272039867922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134553499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67276734 + 67276735.

It is an arithmetic number, because the mean of its divisors is an integer number (67276735).

Almost surely, 2^134553469 is an apocalyptic number.

It is an amenable number.

134553469 is a deficient number, since it is larger than the sum of its proper divisors (1).

134553469 is an equidigital number, since it uses as much as digits as its factorization.

134553469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 40.

The square root of 134553469 is about 11599.7184879634. The cubic root of 134553469 is about 512.4265612796.

The spelling of 134553469 in words is "one hundred thirty-four million, five hundred fifty-three thousand, four hundred sixty-nine".