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13135142 = 271233397
BaseRepresentation
bin110010000110…
…110100100110
3220201100000202
4302012310212
511330311032
61145310502
7216434606
oct62066446
926640022
1013135142
117461699
124495432
13294b897
141a5cc06
151246d62
hexc86d26

13135142 has 16 divisors (see below), whose sum is σ = 20116512. Its totient is φ = 6431040.

The previous prime is 13135141. The next prime is 13135153. The reversal of 13135142 is 24153131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13135141) 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 7 ways as a sum of consecutive naturals, for example, 32888 + ... + 33284.

It is an arithmetic number, because the mean of its divisors is an integer number (1257282).

Almost surely, 213135142 is an apocalyptic number.

13135142 is a deficient number, since it is larger than the sum of its proper divisors (6981370).

13135142 is a wasteful number, since it uses less digits than its factorization.

13135142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703.

The product of its digits is 360, while the sum is 20.

The square root of 13135142 is about 3624.2436452314. The cubic root of 13135142 is about 235.9454412806.

Adding to 13135142 its reverse (24153131), we get a palindrome (37288273).

The spelling of 13135142 in words is "thirteen million, one hundred thirty-five thousand, one hundred forty-two".

Divisors: 1 2 71 142 233 397 466 794 16543 28187 33086 56374 92501 185002 6567571 13135142