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134430131 = 1112220921
BaseRepresentation
bin10000000001100…
…11110110110011
3100100221202110202
420000303312303
5233403231011
621201145415
73221431403
oct1000636663
9310852422
10134430131
1169978390
123902b26b
1321b0a074
1413bd4803
15bc0623b
hex8033db3

134430131 has 4 divisors (see below), whose sum is σ = 146651064. Its totient is φ = 122209200.

The previous prime is 134430089. The next prime is 134430137. The reversal of 134430131 is 131034431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-134430131 is a prime.

It is a super-2 number, since 2×1344301312 = 36142920241354322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134430137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6110450 + ... + 6110471.

It is an arithmetic number, because the mean of its divisors is an integer number (36662766).

Almost surely, 2134430131 is an apocalyptic number.

134430131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134430131 is a deficient number, since it is larger than the sum of its proper divisors (12220933).

134430131 is a wasteful number, since it uses less digits than its factorization.

134430131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12220932.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 134430131 is about 11594.4008469606. The cubic root of 134430131 is about 512.2699420344.

Adding to 134430131 its reverse (131034431), we get a palindrome (265464562).

The spelling of 134430131 in words is "one hundred thirty-four million, four hundred thirty thousand, one hundred thirty-one".

Divisors: 1 11 12220921 134430131