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130145137 is a prime number
BaseRepresentation
bin1111100000111…
…01101101110001
3100001220001120021
413300131231301
5231304121022
620525243441
73140133613
oct760355561
9301801507
10130145137
1167510a71
1237703581
1320c69875
14133dadb3
15b65b7c7
hex7c1db71

130145137 has 2 divisors, whose sum is σ = 130145138. Its totient is φ = 130145136.

The previous prime is 130145131. The next prime is 130145167. The reversal of 130145137 is 731541031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129937201 + 207936 = 11399^2 + 456^2 .

It is a cyclic number.

It is not a de Polignac number, because 130145137 - 27 = 130145009 is a prime.

It is not a weakly prime, because it can be changed into another prime (130145131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65072568 + 65072569.

It is an arithmetic number, because the mean of its divisors is an integer number (65072569).

Almost surely, 2130145137 is an apocalyptic number.

It is an amenable number.

130145137 is a deficient number, since it is larger than the sum of its proper divisors (1).

130145137 is an equidigital number, since it uses as much as digits as its factorization.

130145137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 130145137 is about 11408.1171540268. The cubic root of 130145137 is about 506.7681534836.

Adding to 130145137 its reverse (731541031), we get a palindrome (861686168).

The spelling of 130145137 in words is "one hundred thirty million, one hundred forty-five thousand, one hundred thirty-seven".