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134512201 = 162182981
BaseRepresentation
bin10000000010001…
…11111001001001
3100101002221001101
420001013321021
5233413342301
621203021401
73222222565
oct1001077111
9311087041
10134512201
1169a2400a
123906a861
1321b38525
1413c166a5
15bc20701
hex8047e49

134512201 has 4 divisors (see below), whose sum is σ = 134596804. Its totient is φ = 134427600.

The previous prime is 134512199. The next prime is 134512219. The reversal of 134512201 is 102215431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102215431 = 997102523.

It can be written as a sum of positive squares in 2 ways, for example, as 74046025 + 60466176 = 8605^2 + 7776^2 .

It is a cyclic number.

It is not a de Polignac number, because 134512201 - 21 = 134512199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134512801) by changing a digit.

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, 39870 + ... + 43111.

It is an arithmetic number, because the mean of its divisors is an integer number (33649201).

Almost surely, 2134512201 is an apocalyptic number.

It is an amenable number.

134512201 is a deficient number, since it is larger than the sum of its proper divisors (84603).

134512201 is an equidigital number, since it uses as much as digits as its factorization.

134512201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84602.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 134512201 is about 11597.9395152760. The cubic root of 134512201 is about 512.3741682748.

Adding to 134512201 its reverse (102215431), we get a palindrome (236727632).

The spelling of 134512201 in words is "one hundred thirty-four million, five hundred twelve thousand, two hundred one".

Divisors: 1 1621 82981 134512201