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130147439 is a prime number
BaseRepresentation
bin1111100000111…
…10010001101111
3100001220011201112
413300132101233
5231304204224
620525302235
73140143412
oct760362157
9301804645
10130147439
1167512774
123770497b
1320c6a926
14133dbb79
15b65c30e
hex7c1e46f

130147439 has 2 divisors, whose sum is σ = 130147440. Its totient is φ = 130147438.

The previous prime is 130147399. The next prime is 130147453. The reversal of 130147439 is 934741031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130147439 - 224 = 113370223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130146439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65073719 + 65073720.

It is an arithmetic number, because the mean of its divisors is an integer number (65073720).

Almost surely, 2130147439 is an apocalyptic number.

130147439 is a deficient number, since it is larger than the sum of its proper divisors (1).

130147439 is an equidigital number, since it uses as much as digits as its factorization.

130147439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 130147439 is about 11408.2180466539. The cubic root of 130147439 is about 506.7711413617.

The spelling of 130147439 in words is "one hundred thirty million, one hundred forty-seven thousand, four hundred thirty-nine".