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130134449 is a prime number
BaseRepresentation
bin1111100000110…
…11000110110001
3100001212111220102
413300123012301
5231303300244
620525122145
73140060504
oct760330661
9301774812
10130134449
1167503a35
12376b9355
1320c64a43
14133d713b
15b65854e
hex7c1b1b1

130134449 has 2 divisors, whose sum is σ = 130134450. Its totient is φ = 130134448.

The previous prime is 130134427. The next prime is 130134463. The reversal of 130134449 is 944431031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96668224 + 33466225 = 9832^2 + 5785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130134449 is a prime.

It is not a weakly prime, because it can be changed into another prime (130134419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65067224 + 65067225.

It is an arithmetic number, because the mean of its divisors is an integer number (65067225).

Almost surely, 2130134449 is an apocalyptic number.

It is an amenable number.

130134449 is a deficient number, since it is larger than the sum of its proper divisors (1).

130134449 is an equidigital number, since it uses as much as digits as its factorization.

130134449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 130134449 is about 11407.6487060218. The cubic root of 130134449 is about 506.7542805455.

The spelling of 130134449 in words is "one hundred thirty million, one hundred thirty-four thousand, four hundred forty-nine".