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136364285 = 527272857
BaseRepresentation
bin10000010000011…
…00000011111101
3100111121000122002
420020030003331
5234402124120
621310432045
73244035341
oct1010140375
9314530562
10136364285
116aa79562
1239802625
1322336535
1414179621
15be89375
hex820c0fd

136364285 has 4 divisors (see below), whose sum is σ = 163637148. Its totient is φ = 109091424.

The previous prime is 136364243. The next prime is 136364297. The reversal of 136364285 is 582463631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 582463631 = 1544337717.

It can be written as a sum of positive squares in 2 ways, for example, as 101566084 + 34798201 = 10078^2 + 5899^2 .

It is a cyclic number.

It is not a de Polignac number, because 136364285 - 28 = 136364029 is a prime.

It is a super-2 number, since 2×1363642852 = 37190436447122450, 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, 13636424 + ... + 13636433.

It is an arithmetic number, because the mean of its divisors is an integer number (40909287).

Almost surely, 2136364285 is an apocalyptic number.

It is an amenable number.

136364285 is a deficient number, since it is larger than the sum of its proper divisors (27272863).

136364285 is an equidigital number, since it uses as much as digits as its factorization.

136364285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27272862.

The product of its digits is 103680, while the sum is 38.

The square root of 136364285 is about 11677.5119353397. The cubic root of 136364285 is about 514.7150653068.

The spelling of 136364285 in words is "one hundred thirty-six million, three hundred sixty-four thousand, two hundred eighty-five".

Divisors: 1 5 27272857 136364285