134569285 has 4 divisors (see below), whose sum is σ = 161483148. Its totient is φ = 107655424.

The previous prime is 134569273. The next prime is 134569307. The reversal of 134569285 is 582965431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 582965431 = 503 ⋅1158977.

It can be written as a sum of positive squares in 2 ways, for example, as 86099841 + 48469444 = 9279^2 + 6962^2 .

It is a cyclic number.

It is not a de Polignac number, because 134569285 - 2¹³ = 134561093 is a prime.

It is a super-2 number, since 2×134569285² = 36217784930822450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13456924 + ... + 13456933.

It is an arithmetic number, because the mean of its divisors is an integer number (40370787).

Almost surely, 2^134569285 is an apocalyptic number.

It is an amenable number.

134569285 is a deficient number, since it is larger than the sum of its proper divisors (26913863).

134569285 is an equidigital number, since it uses as much as digits as its factorization.

134569285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26913862.

The product of its digits is 259200, while the sum is 43.

The square root of 134569285 is about 11600.4002086135. The cubic root of 134569285 is about 512.4466381086.

The spelling of 134569285 in words is "one hundred thirty-four million, five hundred sixty-nine thousand, two hundred eighty-five".