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130240739 is a prime number
BaseRepresentation
bin1111100001101…
…01000011100011
3100002001220201002
413300311003203
5231320200424
620531302215
73141012416
oct760650343
9302056632
10130240739
1167576882
123774a96b
1320ca1235
1413423b7d
15b679cae
hex7c350e3

130240739 has 2 divisors, whose sum is σ = 130240740. Its totient is φ = 130240738.

The previous prime is 130240717. The next prime is 130240741. The reversal of 130240739 is 937042031.

It is a strong prime.

It is an emirp because it is prime and its reverse (937042031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130240739 - 216 = 130175203 is a prime.

It is a super-2 number, since 2×1302407392 = 33925300190532242, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 130240741, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130240039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65120369 + 65120370.

It is an arithmetic number, because the mean of its divisors is an integer number (65120370).

Almost surely, 2130240739 is an apocalyptic number.

130240739 is a deficient number, since it is larger than the sum of its proper divisors (1).

130240739 is an equidigital number, since it uses as much as digits as its factorization.

130240739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 130240739 is about 11412.3064715245. The cubic root of 130240739 is about 506.8922103430.

The spelling of 130240739 in words is "one hundred thirty million, two hundred forty thousand, seven hundred thirty-nine".